Add `FromIterator` impls for `ascii::Char`s to `String`s Wanted to `collect` ascii chars into a `String` while working on #141369 , and was surprised these impls don't exist. Seems to me to be simply oversight. BTW, I only added `impl FromIterator<ascii::Char> for Cow<'_, str>`, without a corresponding `FromIterator<&Char>` impl, because there's no existing impl for `FromIterator<&char>`, but that might be oversight too. cc #110998 |
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