Boost Concept SignedInteger

Concept SignedInteger

SignedInteger

Refinement of（强化自）

• CopyConstructible

• Assignable

• DefaultConstructible

• EqualityComparable

• LessThanComparable

Notation（符号）

T

A type playing the role of integral-type in the SignedInteger concept.

x, y, z,

Objects of type T

a, b,

Objects of type int

Type expressions

Conversion to int

T must be convertible to int.

Valid expressions（有效表达式）

Name	Expression	Type
Conversion from int	T(a)	T
Preincrement	++x	T &
Predecrement	--x	T &
Postincrement	x++	T
Postdecrement	x--	T
Sum	x + y	T
Sum with int	x + a	T
Sum-assignment	x += y	T &
Sum-assignment with int	x += a	T &
Difference	x - y	T
Difference with int	x - a	T
Product	x * y	T
Product with int	x * a	T
Product-assignment with int	x *= a	T &
Product with int on left	a * x	T
Quotient	x / y	T
Quotient with int	x / a	T
Right-shift	x >> y	T
Right-shift with int	x >> a	T
Right-shift-assignment with int	x >>= a	T &
Less-than comparison	x <>	Convertible to bool
Less-than comparison with int	x <>	Convertible to bool
Less-than comparison with size_t	x <>()	Convertible to bool
Greater-than comparison	x > y	Convertible to bool
Greater-than comparison with int	x > a	Convertible to bool
Less-than-or-equal comparison	x <= y	Convertible to bool
Less-than-or-equal comparison with int	x <= a	Convertible to bool
Greater-than-or-equal comparison	x >= y	Convertible to bool
Greater-than-or-equal comparison with int	x >= a	Convertible to bool
Greater-than-or-equal comparison with int on left	a >= x	Convertible to bool
Equality comparison	x == y	Convertible to bool
Equality comparison with int	x == a	Convertible to bool

See also