Qx v0.7.0.2
Qt Extensions Library
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Qx::comparator Concept Reference

Specifies that a type can act as a comparator. More...

Concept definition

template<typename F, typename T>
concept Qx::comparator = defines_call_for_s<F, bool, T, T>
Qx::comparator
Specifies that a type can act as a comparator.
Definition qx-concepts.h:501
Qx::defines_call_for_s
Specifies that a type defines a call operator for the specified argument types (with strict return).
Definition qx-concepts.h:247

Detailed Description

Satisfied if F returns a bool when called with two values of T.

Generally it is assumed that the comparator will return true if the values are equal, and false otherwise.