ctype::do_scan_is
A virtual function called to locate the first character in a range that matches a specified mask.
Syntax
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 character immediately following 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