Menu
Search

API Documentation

version 2.109.1

overview

View source code
Display the source code in std/checkedint.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.checkedint.WithNaN.hookOpCast

If rhs is WithNaN.defaultValue!Rhs, returns WithNaN.defaultValue!Lhs. Otherwise, returns cast(Lhs) rhs.

Lhs hookOpCast(Lhs, Rhs) (
  Rhs rhs
);

Parameters

NameDescription
rhs the value being cast (Rhs is the first argument to Checked)
Lhs the target type of the cast

Returns

The result of the cast operation.

Example

auto x = checked!WithNaN(422);
writeln((cast(ubyte)x)); // 255
x = checked!WithNaN(-422);
writeln((cast(byte)x)); // -128
writeln(cast(short)x); // -422
assert(cast(bool) x);
x = x.init; // set back to NaN
assert(x != true);
assert(x != false);

Authors

License