Const functions and inherent methods.#911

Merged

nikomatsakis merged 3 commits intorust-lang:masterfrom eddyb:const-fn

Apr 6, 2015

+216

Commits on Feb 25, 2015

Const functions and inherent methods.
eddyb
committed

Commits on Feb 26, 2015

Address comments and expand the goals and definitions that were partially implied.
eddyb
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Simplify the limitations on arguments and add explanation.
eddyb
committed