View source code
Display the source code in std/utf.d from which this page was generated on github.
Report a bug
If you spot a problem with this page, click here to create a Bugzilla issue.
Improve this page
Quickly fork, edit online, and submit a pull request for this page. Requires a signed-in GitHub account. This works well for small changes. If you'd like to make larger changes you may want to consider using local clone.

Function std.utf.count

Returns the total number of code points encoded in str.

size_t count(C) (
  const(C)[] str
) pure nothrow @nogc @trusted
if (isSomeChar!C);

Supercedes

This function supercedes toUCSindex.

Standards

Unicode 5.0, ASCII, ISO-8859-1, WINDOWS-1252

Throws

UTFException if str is not well-formed.

Example

writeln(count("")); // 0
writeln(count("a")); // 1
writeln(count("abc")); // 3
writeln(count("\u20AC100")); // 4

Authors

Walter Bright and Jonathan M Davis

License

Boost License 1.0.