true if and only if c is a valid Unicode code pointisValidDchar
fn
bool isValidDchar(dchar c) pure nothrow @safe @nogcCheck whether the given Unicode code point is valid.
Parameters
c | code point to check |
Returns
Note
'\uFFFE' and '\uFFFF' are considered valid by isValidDchar,
as they are permitted for internal use by an application, but they are not allowed for interchange by the Unicode standard.