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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 .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.