View source code
Display the source code in dmd/optimize.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 dmd.optimize.optimize

Constant fold an Expression.

Expression optimize (
  Expression e,
  int result,
  bool keepLvalue = false
);

Parameters

NameDescription
e expression to const fold; this may get modified in-place
result WANTvalue, WANTexpand, or both
keepLvalue e is an lvalue, and keep it as an lvalue since it is an argument to a ref or out parameter, or the operand of & operator

Returns

Constant folded version of e

Authors

Walter Bright

License

Boost License 1.0