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Auto merge of #48925 - zackmdavis:fn_must_stabilize, r=nikomatsakis

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stabilize `#[must_use]` for functions and must-use comparison operators (RFC 1940)

r? @nikomatsakis
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bors 2018-04-30 22:02:33 +00:00
commit 357bf00f1c
20 changed files with 167 additions and 337 deletions
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src/liballoc/lib.rs
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@ -96,7 +96,7 @@
#![feature(dropck_eyepatch)]
#![feature(exact_size_is_empty)]
#![feature(fmt_internals)]
#![feature(fn_must_use)]
#![cfg_attr(stage0, feature(fn_must_use))]
#![feature(from_ref)]
#![feature(fundamental)]
#![feature(lang_items)]