Given type T
that does not implement Default
or Copy
.
Given function f
with the following signature:
fn f(x: T) -> T
Given mutable reference r
of type &mut T
.
Question: How do I replace the content of r
with f(*r)
?
Given type T
that does not implement Default
or Copy
.
Given function f
with the following signature:
fn f(x: T) -> T
Given mutable reference r
of type &mut T
.
Question: How do I replace the content of r
with f(*r)
?
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