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Function std.ascii.isGraphical

Prototype

bool isGraphical(
  dchar c
) pure nothrow @nogc @safe;

Parameters

NameDescription
c The character to test.

Returns

Whether or not c is a printable character other than the space character.

Example

assert( isGraphical('1'));
assert( isGraphical('a'));
assert( isGraphical('#'));
assert(!isGraphical(' ')); // whitespace is not graphical
assert(!isGraphical('\n'));
assert(!isGraphical('\0'));

// N.B.: Unicode graphical characters are not regarded as such.
assert(!isGraphical('รก'));

Authors

Walter Bright and Jonathan M Davis

License

Boost License 1.0.

Comments