compare_tag Concept
Concept satisfied by a tag that defines a custom comparator. More...
Definition
concept micro_os_plus::micro_test_plus::extension::compare_tag = requires (const Lhs_T& lhs, const Rhs_T& rhs) {
requires printable<std::remove_cvref_t<decltype (Tag_T::symbol)>>;
{ Tag_T::apply (lhs, rhs) } -> std::convertible_to<bool>;
}
Description
Concept satisfied by a tag that defines a custom comparator.
The tag of extension::compare_op is a structure with a static symbol, which the failure reports write between the two operands, and a static apply() member function template, which receives the operands, unwrapped, and returns the result of the comparison. The symbol must be printable, usually a const char* that includes the surrounding spaces; the result of apply() must be convertible to bool.
- Template Parameters
-
Tag_T The type of the tag.
Lhs_T The type of the left hand side operand, as apply() receives it.
Rhs_T The type of the right hand side operand, as apply() receives it.
Definition at line 456 of file extension.h.
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