Add Gc::as_ref
to get a &'gc T
from a Gc<'gc, T>
#66
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(also, add
impl AsRef
forGc
, and remove extra borrows from otherGc
-taking methods)This is sound, as
&'gc T
doesn't implementCollect
(unless'gc
ends up being'static
, which will be impossible once #63 is merged) and so cannot escape the current arena callback by being stored in the GC root.