Make function generics less restrictive #17
Merged
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From the documentation of
FnMut
:And from the docs of
Fn
:Basically
Fn
is more restrictive, and if you don't need the restrictions, you should go withFnMut
orFnOnce
.Here's a real example where
Fn
instead ofFnMut
generated an slightly more complicated code:By replacing
Fn
byFnMut
: