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version 2.081.0

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Function std.string.assumeUTF

Assume the given array of integers arr is a well-formed UTF string and return it typed as a UTF string.

auto auto assumeUTF(T) (
  T[] arr
) pure
if (staticIndexOf!(Unqual!T, ubyte, ushort, uint) != -1);

ubyte becomes char, ushort becomes wchar and uint becomes dchar. Type qualifiers are preserved.

When compiled with debug mode, this function performs an extra check to make sure the return value is a valid Unicode string.

Parameters

NameDescription
arr array of bytes, ubytes, shorts, ushorts, ints, or uints

Returns

arr retyped as an array of chars, wchars, or dchars

See Also

representation

Example

string a = "Hölo World";
immutable(ubyte)[] b = a.representation;
string c = b.assumeUTF;

writeln(a); // c

Authors

Walter Bright, Andrei Alexandrescu, Jonathan M Davis, and David L. 'SpottedTiger' Davis

License

Boost License 1.0.