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| author | bors <bors@rust-lang.org> | 2018-10-18 18:14:52 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2018-10-18 18:14:52 +0000 |
| commit | e7f5d48059aa14cc2808473564deadd72d1e818d (patch) | |
| tree | 1c4617a4299b50a733a99d3d5c045470aad8f99d /src/libsyntax/parse | |
| parent | 121320d5236b255049ef178669b5a279389cd1e5 (diff) | |
| parent | d088edc5310518f740df973b6f85d078684152f6 (diff) | |
| download | rust-e7f5d48059aa14cc2808473564deadd72d1e818d.tar.gz rust-e7f5d48059aa14cc2808473564deadd72d1e818d.zip | |
Auto merge of #54976 - davidtwco:issue-52663-special-case-closures, r=nikomatsakis
NLL lacks various special case handling of closures
Part of #52663.
Firstly, this PR extends existing handling of closures to also support generators.
Second, this PR adds the note found in the AST when a closure is invoked twice and captures a variable by-value:
```text
note: closure cannot be invoked more than once because it moves the variable `dict` out of its environment
--> $DIR/issue-42065.rs:16:29
|
LL | for (key, value) in dict {
| ^^^^
```
r? @nikomatsakis
cc @pnkfelix
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