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Function dmd.mtype.Parameter.isCovariant
Compute covariance of parameters this
and p
as determined by the storage classes of both.
extern(C++) bool isCovariant
(
bool returnByRef,
const(Parameter) p,
bool previewIn = global .params .previewIn
) pure nothrow @nogc @safe const;
Parameters
Name | Description |
---|---|
returnByRef | true if the function returns by ref |
p | Parameter to compare with |
previewIn | Whether -preview=in is being used, and thus if
in means scope [ref] . |
Returns
true = this
can be used in place of p
false = nope
Authors
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.