Increment operators

Synopses

Declared in <mp‐units/utility/constrained.h>

Pre‐increments the wrapped value.

constexpr
constrained&
operator++()
requires requires(T& v) {
      { ++v } ‐> std::same_as<T&>;
    };

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Post‐increments the wrapped value.

constexpr
constrained<decltype(std::declval<T&>()++), ErrorPolicy>
operator++(int tag);

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Return Value

  • a reference to *this, after incrementing

  • the value before incrementing, wrapped in constrained

Parameters

Name

Description

tag

unused; disambiguates this postfix overload from the prefix operator++()

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