View source code
Display the source code in std/ascii.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.ascii.isUpper
bool isUpper
(
dchar c
) pure nothrow @nogc @safe;
Parameters
| Name | Description |
|---|---|
| c | The character to test. |
Returns
Whether c is an uppercase ASCII letter (A .. Z).
Example
assert( isUpper('A'));
assert(!isUpper('a'));
assert(!isUpper('#'));
// N.B.: does not return true for non-ASCII Unicode uppercase letters
assert(!isUpper('á'));
assert(!isUpper('Á'));
Authors
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.