Implement `iter::Sum` and `iter::Product` for `Option`#58975

Merged

bors merged 4 commits intorust-lang:masterfrom

jtdowney:iter_arith_traits_option

May 29, 2019

Commits on Mar 6, 2019

Implement `iter::Sum` and `iter::Product` for `Option`
jtdowney
committed

Commits on Mar 19, 2019

Update stable attribute to be since 1.35.0

Centril
and
jtdowney
authored

Commits on Mar 21, 2019

Add improved doc example for Sum<Option<T>>
jtdowney
committed

Commits on May 28, 2019

Bump Sum and Product for Option<T> to 1.37
dtolnay
committed