@@ -16364,7 +16364,7 @@ In C++, these requirements are expressed by compile-time predicates called conce
Templates can also be used for meta-programming; that is, programs that compose code at compile time.
A central notion in generic programming is "concepts"; that is, requirements on template arguments presented as compile-time predicates.
"Concepts" are defined in an ISO Technical specification: [concepts](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4553.pdf).
"Concepts" are defined in an ISO Technical Specification: [concepts](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4553.pdf).
A draft of a set of standard-library concepts can be found in another ISO TS: [ranges](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/n4569.pdf)
Concepts are supported in GCC 6.1 and later.
Consequently, we comment out uses of concepts in examples; that is, we use them as formalized comments only.
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@@ -16522,7 +16522,7 @@ is to efficiently generalize operations/algorithms over a set of types with simi
##### Note
The `requires` in the comments are uses of `concepts`.
"Concepts" are defined in an ISO Technical specification: [concepts](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4553.pdf).
"Concepts" are defined in an ISO Technical Specification: [concepts](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4553.pdf).
Concepts are supported in GCC 6.1 and later.
Consequently, we comment out uses of concepts in examples; that is, we use them as formalized comments only.
If you use GCC 6.1 or later, you can uncomment them.
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@@ -16657,7 +16657,7 @@ See the reference to more specific rules.
Concepts is a facility for specifying requirements for template arguments.
It is an [ISO technical specification](#Ref-conceptsTS), but currently supported only by GCC.
It is an [ISO Technical Specification](#Ref-conceptsTS), but currently supported only by GCC.
Concepts are, however, crucial in the thinking about generic programming and the basis of much work on future C++ libraries
(standard and other).
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@@ -16714,7 +16714,7 @@ or equivalently and more succinctly:
##### Note
"Concepts" are defined in an ISO Technical specification: [concepts](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4553.pdf).
"Concepts" are defined in an ISO Technical Specification: [concepts](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4553.pdf).
A draft of a set of standard-library concepts can be found in another ISO TS: [ranges](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/n4569.pdf)
Concepts are supported in GCC 6.1 and later.
Consequently, we comment out uses of concepts in examples; that is, we use them as formalized comments only.
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@@ -16819,7 +16819,7 @@ The shorter versions better match the way we speak. Note that many templates don
##### Note
"Concepts" are defined in an ISO Technical specification: [concepts](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4553.pdf).
"Concepts" are defined in an ISO Technical Specification: [concepts](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4553.pdf).
A draft of a set of standard-library concepts can be found in another ISO TS: [ranges](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/n4569.pdf)
Concepts are supported in GCC 6.1 and later.
Consequently, we comment out uses of concepts in examples; that is, we use them as formalized comments only.