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Function std.ascii.isWhite

Prototype

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

Parameters

NameDescription
c The character to test.

Returns

Whether or not c is a whitespace character. That includes the space, tab, vertical tab, form feed, carriage return, and linefeed characters.

Example

assert( isWhite(' '));
assert( isWhite('\t'));
assert( isWhite('\n'));
assert(!isWhite('1'));
assert(!isWhite('a'));
assert(!isWhite('#'));

// N.B.: Does not return true for non-ASCII Unicode whitespace characters.
static import std.uni;
assert(std.uni.isWhite('\u00A0'));
assert(!isWhite('\u00A0')); // std.ascii.isWhite

Authors

Walter Bright and Jonathan M Davis

License

Boost License 1.0.

Comments