cast_overflows()

constexpr bool Chusov::cast_overflows ( From  val )

constexprnoexcept

Checks whether conversion of the parameter to the given type would overflow.

Template Parameters

To	The type to which the conversion takes place.
From	A deducable type of the parameter to convert.

Parameters

val	A value to convert.

Returns

true if the conversion would overflow, and false otherwise.

The function checks if both To and From are integral types, both signed and/or unsigned. If either of the two types are not integral, the function returns true if, and only if, To and From denote the same type.