ctype::do_scan_is
A virtual function called to locate the first character in a range that matches a specified mask.
virtual const CharType *do_scan_is(
mask _MaskVal,
const CharType* _First,
const CharType* _Last,
) const;
Parameters
_MaskVal
The mask value to be matched by a character._First
A pointer to the first character in the range to be scanned._Last
A pointer to the last character in the range to be scanned.
Return Value
A pointer to the first character in a range that does match a specified mask. If no such value exists, the function returns _Last.
Remarks
The protected member function returns the smallest pointer _Ptr in the range [_First, _Last) for which do_is(_MaskVal, *_Ptr) is true.
Example
See the example for scan_is, which calls do_scan_is.
Requirements
Header: <locale>
Namespace: std