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version 2.111.0

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Function dmd.safe.isSafeCast

Determine if it is @safe to cast e from tfrom to tto.

bool isSafeCast(
  Expression e,
  Type tfrom,
  Type tto,
  ref string msg
);

Parameters

NameDescription
e expression to be cast
tfrom type of e
tto type to cast e to
msg reason why cast is unsafe or deprecated

Returns

true if @safe or deprecated

Authors

Walter Bright

License

Boost License 1.0