Makes an instance of the common type of two types.
template<bool B, class Ty1, class Ty2>
struct conditional;
Parameters
Parameter |
Description |
|---|---|
B |
The value that determines the resulting type. |
Ty1 |
The type to evaluate. |
Ty2 |
The type to evaluate. |
Remarks
An instance of this type modifier holds a modified-type that is the common type of Ty1 and Ty2, such as when Ty1 and Ty2 are the types of the second and third arguments to a Conditional Operator: ? : (?:) operation.
Requirements
Header: <type_traits>
Namespace: std