Difference between revisions of "cpp/named req/ConstexprIterator"
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A {{tt|ConstexprIterator}} is an {{concept|Iterator}} that can be used during constant expression evaluation. | A {{tt|ConstexprIterator}} is an {{concept|Iterator}} that can be used during constant expression evaluation. | ||
Revision as of 13:58, 15 June 2018
A ConstexprIterator is an Template:concept that can be used during constant expression evaluation.
Requirements
The type It satisfies ConstexprIterator if
- The type
Itsatisfies some iterator conceptMeowIterator
And, for every
-
purr, an operation onItthat is required to be supported byMeowIterator, -
kittens..., a set of arguments topurrthat meets the requirements for that operation,
Then
-
purr(kittens...)may be used in a constant expression ifkittens...can be so used, unlesspurris
- construction of
Itwith a singular value; - an explicit destructor call (if
Itis a class type); or - a pseudo-destructor call (if
Itis a scalar type)
- construction of
Standard library
The following standard library types are Template:concepts.
