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jlechner |
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Changes made while bringing boost/concept_check.hpp to v3's concept_check.h:
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1) File format changed from DOS to Unix.
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2) Boost config.hpp and other workaround files dropped (unneeded in g++ v3).
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3) Conditionally-compiled code depending on those "breakage" macros was
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removed, or not, depending on the macro, so that the macros themselves
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are gone. Since the same code would always be compiled, let's make it
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easier on the reader and a few milliseconds faster for cpplib.
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4) Tests for NDEBUG were removed; if NDEBUG is defined, none of the checking
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code will even be included.
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5) BOOST_CLASS_REQUIRES* changed to accept a namespace parameter.
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6) SameTypeConcept added (simple wrapper around existing code).
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7) An unused variable in OutputIteratorConcept was removed.
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At checkin, this was the exact diff, modulo the end-of-line character changes:
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--- concept_check.hpp.orig Sun Apr 1 08:59:46 2001
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+++ boost_concept_check.h Mon Apr 2 18:56:41 2001
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@@ -5,20 +5,15 @@
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// "as is" without express or implied warranty, and with no claim as
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// to its suitability for any purpose.
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//
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+
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+// GCC Note: based on version 1.12.0 of the Boost library.
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#ifndef BOOST_CONCEPT_CHECKS_HPP
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#define BOOST_CONCEPT_CHECKS_HPP
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-#include <boost/config.hpp>
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-#include <boost/iterator.hpp>
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-#include <boost/iterator.hpp>
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-#include <utility>
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-#include <boost/pending/limits.hpp>
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-
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-#if (__GNUC__) || defined(__KCC) || defined(__ghs) || defined(__MWERKS__)
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-#define BOOST_FPTR &
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-#else
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-#define BOOST_FPTR
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-#endif
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+#pragma GCC system_header
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+#include <bits/stl_iterator_base_types.h> // for traits and tags
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+#include <utility> // for pair<>
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+
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namespace boost {
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@@ -27,80 +22,64 @@
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template <class Concept>
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void function_requires()
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{
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-#if !defined(NDEBUG)
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- void (Concept::*x)() = BOOST_FPTR Concept::constraints;
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+ void (Concept::*x)() = &Concept::constraints;
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ignore_unused_variable_warning(x);
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-#endif
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}
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-// The BOOST_CLASS_REQUIRES macros use function pointers as
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-// template parameters, which VC++ does not support.
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-
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-#if defined(BOOST_NO_FUNCTION_PTR_TEMPLATE_PARAMETERS)
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-
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-#define BOOST_CLASS_REQUIRES(type_var, concept)
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-#define BOOST_CLASS_REQUIRES2(type_var1, type_var2, concept)
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-#define BOOST_CLASS_REQUIRES3(type_var1, type_var2, type_var3, concept)
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-#define BOOST_CLASS_REQUIRES4(type_var1, type_var2, type_var3, type_var4, concept)
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-#else
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-
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-#define BOOST_CLASS_REQUIRES(type_var, concept) \
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- typedef void (concept <type_var>::* func##type_var##concept)(); \
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+#define BOOST_CLASS_REQUIRES(type_var, ns, concept) \
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+ typedef void (ns::concept <type_var>::* func##type_var##concept)(); \
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template <func##type_var##concept _Tp1> \
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struct concept_checking_##type_var##concept { }; \
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typedef concept_checking_##type_var##concept< \
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- BOOST_FPTR concept <type_var>::constraints> \
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+ &ns::concept <type_var>::constraints> \
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concept_checking_typedef_##type_var##concept
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-#define BOOST_CLASS_REQUIRES2(type_var1, type_var2, concept) \
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- typedef void (concept <type_var1,type_var2>::* func##type_var1##type_var2##concept)(); \
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+#define BOOST_CLASS_REQUIRES2(type_var1, type_var2, ns, concept) \
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+ typedef void (ns::concept <type_var1,type_var2>::* func##type_var1##type_var2##concept)(); \
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template <func##type_var1##type_var2##concept _Tp1> \
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struct concept_checking_##type_var1##type_var2##concept { }; \
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typedef concept_checking_##type_var1##type_var2##concept< \
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- BOOST_FPTR concept <type_var1,type_var2>::constraints> \
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+ &ns::concept <type_var1,type_var2>::constraints> \
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concept_checking_typedef_##type_var1##type_var2##concept
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-#define BOOST_CLASS_REQUIRES3(type_var1, type_var2, type_var3, concept) \
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- typedef void (concept <type_var1,type_var2,type_var3>::* func##type_var1##type_var2##type_var3##concept)(); \
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+#define BOOST_CLASS_REQUIRES3(type_var1, type_var2, type_var3, ns, concept) \
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+ typedef void (ns::concept <type_var1,type_var2,type_var3>::* func##type_var1##type_var2##type_var3##concept)(); \
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template <func##type_var1##type_var2##type_var3##concept _Tp1> \
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struct concept_checking_##type_var1##type_var2##type_var3##concept { }; \
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typedef concept_checking_##type_var1##type_var2##type_var3##concept< \
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- BOOST_FPTR concept <type_var1,type_var2,type_var3>::constraints> \
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+ &ns::concept <type_var1,type_var2,type_var3>::constraints> \
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concept_checking_typedef_##type_var1##type_var2##type_var3##concept
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-#define BOOST_CLASS_REQUIRES4(type_var1, type_var2, type_var3, type_var4, concept) \
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- typedef void (concept <type_var1,type_var2,type_var3,type_var4>::* func##type_var1##type_var2##type_var3##type_var4##concept)(); \
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+#define BOOST_CLASS_REQUIRES4(type_var1, type_var2, type_var3, type_var4, ns, concept) \
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+ typedef void (ns::concept <type_var1,type_var2,type_var3,type_var4>::* func##type_var1##type_var2##type_var3##type_var4##concept)(); \
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template <func##type_var1##type_var2##type_var3##type_var4##concept _Tp1> \
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struct concept_checking_##type_var1##type_var2##type_var3##type_var4##concept { }; \
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typedef concept_checking_##type_var1##type_var2##type_var3##type_var4##concept< \
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- BOOST_FPTR concept <type_var1,type_var2,type_var3,type_var4>::constraints> \
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+ &ns::concept <type_var1,type_var2,type_var3,type_var4>::constraints> \
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concept_checking_typedef_##type_var1##type_var2##type_var3##type_var4##concept
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-#endif
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-
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-#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template <class T, class U>
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struct require_same { };
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template <class T>
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struct require_same<T,T> { typedef T type; };
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-#else
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-// This version does not perform checking, but will not do any harm.
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-template <class T, class U>
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-struct require_same { typedef T type; };
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-#endif
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+
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+ template <class T, class U>
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+ struct SameTypeConcept
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+ {
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+ void constraints() {
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+ typedef typename require_same<T, U>::type req;
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+ }
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+ };
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template <class T>
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struct IntegerConcept {
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void constraints() {
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-#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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errortype_must_be_an_integer_type();
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-#endif
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}
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};
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-#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template <> struct IntegerConcept<short> { void constraints() {} };
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template <> struct IntegerConcept<unsigned short> { void constraints() {} };
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template <> struct IntegerConcept<int> { void constraints() {} };
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@@ -108,32 +87,24 @@
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template <> struct IntegerConcept<long> { void constraints() {} };
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template <> struct IntegerConcept<unsigned long> { void constraints() {} };
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// etc.
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-#endif
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template <class T>
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struct SignedIntegerConcept {
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void constraints() {
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-#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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errortype_must_be_a_signed_integer_type();
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-#endif
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}
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};
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-#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template <> struct SignedIntegerConcept<short> { void constraints() {} };
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template <> struct SignedIntegerConcept<int> { void constraints() {} };
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template <> struct SignedIntegerConcept<long> { void constraints() {} };
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// etc.
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-#endif
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template <class T>
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struct UnsignedIntegerConcept {
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void constraints() {
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-#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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errortype_must_be_an_unsigned_integer_type();
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-#endif
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}
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};
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-#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template <> struct UnsignedIntegerConcept<unsigned short>
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{ void constraints() {} };
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template <> struct UnsignedIntegerConcept<unsigned int>
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@@ -141,7 +112,6 @@
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template <> struct UnsignedIntegerConcept<unsigned long>
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{ void constraints() {} };
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// etc.
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-#endif
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//===========================================================================
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// Basic Concepts
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@@ -159,15 +129,11 @@
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struct AssignableConcept
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{
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void constraints() {
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-#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
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a = a; // require assignment operator
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-#endif
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const_constraints(a);
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}
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void const_constraints(const TT& b) {
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-#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
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a = b; // const required for argument to assignment
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-#endif
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}
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TT a;
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};
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@@ -196,17 +162,13 @@
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{
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void constraints() {
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TT b(a);
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-#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
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a = a; // require assignment operator
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-#endif
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const_constraints(a);
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ignore_unused_variable_warning(b);
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}
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void const_constraints(const TT& b) {
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TT c(b);
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-#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
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a = b; // const required for argument to assignment
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-#endif
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ignore_unused_variable_warning(c);
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}
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TT a;
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@@ -304,6 +266,9 @@
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BOOST_DEFINE_BINARY_OPERATOR_CONSTRAINT(-, SubtractOpConcept);
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BOOST_DEFINE_BINARY_OPERATOR_CONSTRAINT(%, ModOpConcept);
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+#undef BOOST_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT
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+#undef BOOST_DEFINE_BINARY_OPERATOR_CONSTRAINT
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+
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//===========================================================================
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// Function Object Concepts
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@@ -318,7 +283,6 @@
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};
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-#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template <class Func>
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struct GeneratorConcept<Func,void>
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{
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@@ -327,7 +291,6 @@
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}
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Func f;
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};
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-#endif
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template <class Func, class Return, class Arg>
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struct UnaryFunctionConcept
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@@ -340,7 +303,6 @@
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Return r;
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};
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-#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template <class Func, class Arg>
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struct UnaryFunctionConcept<Func, void, Arg> {
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void constraints() {
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@@ -348,7 +310,6 @@
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}
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Func f;
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};
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-#endif
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template <class Func, class Return, class First, class Second>
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struct BinaryFunctionConcept
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@@ -362,7 +323,6 @@
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Return r;
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};
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-#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template <class Func, class First, class Second>
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struct BinaryFunctionConcept<Func, void, First, Second>
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{
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@@ -373,7 +333,6 @@
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First first;
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Second second;
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};
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-#endif
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template <class Func, class Arg>
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struct UnaryPredicateConcept
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@@ -422,9 +381,7 @@
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284 |
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function_requires< AssignableConcept<TT> >();
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285 |
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function_requires< DefaultConstructibleConcept<TT> >();
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function_requires< EqualityComparableConcept<TT> >();
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-#ifndef BOOST_NO_STD_ITERATOR_TRAITS
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typedef typename std::iterator_traits<TT>::value_type V;
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-#endif
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(void)*i; // require dereference operator
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}
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292 |
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TT i;
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@@ -446,7 +403,6 @@
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void constraints() {
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295 |
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function_requires< TrivialIteratorConcept<TT> >();
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296 |
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// require iterator_traits typedef's
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297 |
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-#ifndef BOOST_NO_STD_ITERATOR_TRAITS
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typedef typename std::iterator_traits<TT>::difference_type D;
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299 |
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function_requires< SignedIntegerConcept<D> >();
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300 |
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typedef typename std::iterator_traits<TT>::reference R;
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@@ -455,7 +411,6 @@
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function_requires< ConvertibleConcept<
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typename std::iterator_traits<TT>::iterator_category,
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std::input_iterator_tag> >();
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305 |
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-#endif
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306 |
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++i; // require preincrement operator
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i++; // require postincrement operator
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}
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@@ -471,7 +426,7 @@
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i++; // require postincrement operator
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311 |
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*i++ = t; // require postincrement and assignment
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312 |
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}
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- TT i, j;
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+ TT i;
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315 |
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ValueT t;
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316 |
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};
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317 |
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318 |
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|
@@ -480,14 +435,12 @@
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319 |
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{
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320 |
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|
void constraints() {
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321 |
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function_requires< InputIteratorConcept<TT> >();
|
322 |
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|
-#ifndef BOOST_NO_STD_ITERATOR_TRAITS
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323 |
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function_requires< ConvertibleConcept<
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324 |
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typename std::iterator_traits<TT>::iterator_category,
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325 |
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std::forward_iterator_tag> >();
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326 |
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typedef typename std::iterator_traits<TT>::reference reference;
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327 |
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reference r = *i;
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328 |
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ignore_unused_variable_warning(r);
|
329 |
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-#endif
|
330 |
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}
|
331 |
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TT i;
|
332 |
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};
|
333 |
|
|
@@ -507,11 +460,9 @@
|
334 |
|
|
{
|
335 |
|
|
void constraints() {
|
336 |
|
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function_requires< ForwardIteratorConcept<TT> >();
|
337 |
|
|
-#ifndef BOOST_NO_STD_ITERATOR_TRAITS
|
338 |
|
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function_requires< ConvertibleConcept<
|
339 |
|
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typename std::iterator_traits<TT>::iterator_category,
|
340 |
|
|
std::bidirectional_iterator_tag> >();
|
341 |
|
|
-#endif
|
342 |
|
|
--i; // require predecrement operator
|
343 |
|
|
i--; // require postdecrement operator
|
344 |
|
|
}
|
345 |
|
|
@@ -536,12 +487,10 @@
|
346 |
|
|
void constraints() {
|
347 |
|
|
function_requires< BidirectionalIteratorConcept<TT> >();
|
348 |
|
|
function_requires< ComparableConcept<TT> >();
|
349 |
|
|
-#ifndef BOOST_NO_STD_ITERATOR_TRAITS
|
350 |
|
|
function_requires< ConvertibleConcept<
|
351 |
|
|
typename std::iterator_traits<TT>::iterator_category,
|
352 |
|
|
std::random_access_iterator_tag> >();
|
353 |
|
|
typedef typename std::iterator_traits<TT>::reference R;
|
354 |
|
|
-#endif
|
355 |
|
|
|
356 |
|
|
i += n; // require assignment addition operator
|
357 |
|
|
i = i + n; i = n + i; // require addition with difference type
|
358 |
|
|
@@ -552,11 +501,7 @@
|
359 |
|
|
}
|
360 |
|
|
TT a, b;
|
361 |
|
|
TT i, j;
|
362 |
|
|
-#ifndef BOOST_NO_STD_ITERATOR_TRAITS
|
363 |
|
|
typename std::iterator_traits<TT>::difference_type n;
|
364 |
|
|
-#else
|
365 |
|
|
- std::ptrdiff_t n;
|
366 |
|
|
-#endif
|
367 |
|
|
};
|
368 |
|
|
|
369 |
|
|
template <class TT>
|
370 |
|
|
@@ -568,11 +513,7 @@
|
371 |
|
|
i[n] = *i; // require element access and assignment
|
372 |
|
|
}
|
373 |
|
|
TT i;
|
374 |
|
|
-#ifndef BOOST_NO_STD_ITERATOR_TRAITS
|
375 |
|
|
typename std::iterator_traits<TT>::difference_type n;
|
376 |
|
|
-#else
|
377 |
|
|
- std::ptrdiff_t n;
|
378 |
|
|
-#endif
|
379 |
|
|
};
|
380 |
|
|
|
381 |
|
|
//===========================================================================
|
382 |
|
|
|