Boost Concept EqualityComparable

Concept EqualityComparable

EqualityComparable

Description（描述）

Equality Comparable 型别必须有 == 和 != operators 。

Notation（符号）

X

A type playing the role of comparable-type in the EqualityComparable concept.

x, y,

Objects of type X

Valid expressions（有效表达式）

Name	Expression	Type
Equality test	x == y	Convertible to bool
Inequality test	x != y	Convertible to bool

Models

• int
• std::vector