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Makes type or the smallest signed type greater than or equal in size to type.
Syntax
template <class T>
struct make_signed;
template <class T>
using make_signed_t = typename make_signed<T>::type;
Parameters
T
The type to modify.
Remarks
An instance of the type modifier holds a modified-type that is T if is_signed<T> holds true. Otherwise it is the smallest unsigned type UT for which sizeof (T) <= sizeof (UT).
Requirements
Header: <type_traits>
Namespace: std