Add a warning to File about mutability.#48273

Merged

bors merged 2 commits intorust-lang:masterfrom alercah:file-warning

Feb 18, 2018

+15

Commits on Feb 16, 2018

Add a warning to File about mutability.
Alexis Hunt
committed

Commits on Feb 17, 2018

Wording fixes from review for File.
Alexis Hunt
committed