cpp/types/type index/operator cmp

Compares the underlying std objects.

@1-2@ Checks whether the underlying std objects refer to the same type.

@3-7@ Compares the underlying std objects as defined by an implementation-defined ordering. The comparison is done by.

Return value
@1@ if the underlying std objects refer to the same type,  otherwise

@2@ if the underlying std objects refer not to the same type,  otherwise

@3-6@ if the types referred by the underlying std objects are ordered by corresponding order,  otherwise.

@7@ if the underlying std objects refer to the same type, otherwise  if 's underlying std object precedes 's in the implementation-defined ordering, otherwise.