Mark ascii methods on primitive types stable in 1.23.0 not 1.21.0.#46411

Merged

bors merged 1 commit intorust-lang:masterfrom rillian:str_ascii

Dec 12, 2017

+24-24

Commits on Dec 2, 2017

Mark ascii methods on primitive types stable in 1.23.0.
rillian
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