Specify pattern types in let statements and for expressions
#663
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Centril
reviewed
Aug 29, 2019
hawkinsw
changed the title
let statements and for expressions
Centril
reviewed
Aug 29, 2019
Specify that the patterns in `let` statements and `for` expressions must be irrefutable.
Centril
approved these changes
Aug 29, 2019
bors
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to rust-lang/rust
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Sep 4, 2019
Update cargo, books ## cargo 8 commits in 22f7dd0495cd72ce2082d318d5a9b4dccb9c5b8c..fe0e5a48b75da2b405c8ce1ba2674e174ae11d5d 2019-08-27 16:10:51 +0000 to 2019-09-04 00:51:27 +0000 - Rename `--all` to `--workspace` (rust-lang/cargo#7241) - Basic standard library support. (rust-lang/cargo#7216) - Allow using 'config.toml' instead of just 'config' files. (rust-lang/cargo#7295) - Retry on SSL Connect Error. (rust-lang/cargo#7318) - minimal-copy `deserialize` for `InternedString` (rust-lang/cargo#7310) - Fix typo in cargo vendor examples (rust-lang/cargo#7320) - Fixes around multiple `[patch]` per crate (rust-lang/cargo#7303) - Improve error messages on mkdir failure (rust-lang/cargo#7306) ## reference 7 commits in d191a0c..090c015 2019-08-15 08:42:23 +0200 to 2019-09-03 13:59:28 -0700 - Fix rust-lang/reference#664: Review Oxford comma usage. (rust-lang/reference#668) - Fix some links. (rust-lang/reference#667) - Remove trait object warning. (rust-lang/reference#666) - Specify pattern types in `let` statements and `for` expressions (rust-lang/reference#663) - Fix loop expression link. (rust-lang/reference#662) - async-await initial reference material (rust-lang/reference#635) - Correct errors in the reference of extern functions definitions and declarations (rust-lang/reference#652) ## rust-by-example 1 commits in 580839d90aacd537f0293697096fa8355bc4e673..e76be6b2dc84c6a992e186157efe29d625e29b94 2019-08-17 23:17:50 -0300 to 2019-09-03 07:42:26 -0300 - Change link to russian translation repository (rust-lang/rust-by-example#1245) ## embedded-book 1 commits in 432ca26686c11d396eed6a59499f93ce1bf2433c..5ca585c4a7552efb546e7681c3de0712f4ae4fdc 2019-08-09 23:20:22 +0000 to 2019-08-27 13:39:14 +0000 - Fixup book CI (rust-embedded/book#205)
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Specify that patterns in
if letandwhile letare either refutable or irrefutableletandforare always irrefutable