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Template std.functional.not
Negates predicate pred.
template not(alias pred)
;
Contained Functions
| Name | Description |
|---|---|
| not |
Parameters
| Name | Description |
|---|---|
| pred | A string or a callable |
Returns
A function which calls pred and returns the logical negation of its
return value.
Example
import std .algorithm .searching : find;
import std .functional;
import std .uni : isWhite;
string a = " Hello, world!";
writeln(find!(not!isWhite)(a)); // "Hello, world!"
Authors
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.