Shrink code produced by smallvec![]
.
#385
Merged
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Currently
smallvec![]
expands to this:This commit adds a rule to the
smallvec!
macro for the zero-length case so it instead expands to this:The
std::vec!
macro already has a similar special case.This commit also improves the non-zero case.
#[allow(unused_mut)]
, which was only needed for the zero-length case.*
repetitions to+
. (Again, likestd::vec
.)