is_nothrow_assignable Class

Visual Studio 2015
 

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Tests whether a value of From type can be assigned to To type and the assignment is known not to throw.

template <class To, class From>  
struct is_nothrow_assignable;

Parameters

To
The type of the object that receives the assignment.

From
The type of the object that provides the value.

The expression declval<To>() = declval<From>() must be well-formed and must be known to the compiler not to throw. Both From and To must be complete types, void, or arrays of unknown bound.

Header: <type_traits>

Namespace: std

<type_traits>

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