| Template | Comments |
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template <class T> struct make_signed; |
If T names a (possibly cv-qualified) signed integer
type ([basic.fundamental]) then the member typedef
type shall name the type T; otherwise,
if T names a (possibly cv-qualified) unsigned integer
type then type shall name the corresponding
signed integer type, with the same cv-qualifiers as T;
otherwise, type shall name the signed integer type with smallest
rank ([conv.rank]) for which
sizeof(T) == sizeof(type), with the same
cv-qualifiers as T. Requires: T shall be a (possibly cv-qualified) integral type or enumeration but not a bool type. |
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template <class T> struct make_unsigned; |
If T names a (possibly cv-qualified) unsigned integer
type ([basic.fundamental]) then the member typedef
type shall name the type T; otherwise,
if T names a (possibly cv-qualified) signed integer
type then type shall name the corresponding
unsigned integer type, with the same cv-qualifiers as T;
otherwise, type shall name the unsigned integer type with smallest
rank ([conv.rank]) for which
sizeof(T) == sizeof(type), with the same
cv-qualifiers as T. Requires: T shall be a (possibly cv-qualified) integral type or enumeration but not a bool type. |