macro_rules! transmute { ($e:expr) => { ... }; }
Expand description
Safely transmutes a value of one type to a value of another type of the same size.
The expression $e
must have a concrete type, T
, which implements
AsBytes
. The transmute!
expression must also have a concrete type, U
(U
is inferred from the calling context), and U
must implement
FromBytes
.
Note that the T
produced by the expression $e
will not be dropped.
Semantically, its bits will be copied into a new value of type U
, the
original T
will be forgotten, and the value of type U
will be returned.