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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.

See Also

ctype Class | ctype Members

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