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Function std.ascii.isPrintable

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

Parameters

NameDescription
c The character to test.

Returns

Whether or not c is a printable character - including the space character.

Example

assert( isPrintable(' '));  // whitespace is printable
assert( isPrintable('1'));
assert( isPrintable('a'));
assert( isPrintable('#'));
assert(!isPrintable('\0')); // control characters are not printable

// N.B.: Printable non-ASCII Unicode characters are not recognized.
assert(!isPrintable('รก'));

Authors

Walter Bright and Jonathan M Davis

License

Boost License 1.0.