Boost Concept Assignable

Concept Assignable

Assignable

Description（描述）

Assignable types 必须有 copy constructors, 赋值用的 operator=, 以及定义 swap 函数。

Refinement of（强化自）

• CopyConstructible

Notation（符号）

X

A type playing the role of assignable-type in the Assignable concept.

x, y

Objects of type X

Valid expressions（有效表达式）

Name	Expression	Type	Semantics
Assignment	x = y	X &	Require operator=
Swap	swap(x, y)	void	Require swap() function

Models

• int

See also

• CopyConstructible