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Update syntax of where-clauses on associated types #1139

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merged 2 commits into from Mar 14, 2022
Merged

Update syntax of where-clauses on associated types #1139

merged 2 commits into from Mar 14, 2022

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dtolnay
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@dtolnay dtolnay commented Mar 14, 2022

Closes #1071.

@dtolnay dtolnay changed the title Update syntax of where-clauses on type aliases Update syntax of where-clauses on associated types Mar 14, 2022
@dtolnay
Restore where-clause parsing compatibility with rust 1.32
7129ca2 
Previously:

    error[E0658]: multiple patterns in `if let` and `while let` are unstable (see issue 48215)
        --> src/item.rs:1213:13
         |
    1213 | /             if let WhereClauseLocation::BeforeEq | WhereClauseLocation::Both = where_clause_location
    1214 | |             {
    1215 | |                 generics.where_clause = input.parse()?;
    1216 | |             }
         | |_____________^

    error[E0658]: multiple patterns in `if let` and `while let` are unstable (see issue 48215)
        --> src/item.rs:1225:17
         |
    1225 | /                 if let WhereClauseLocation::AfterEq | WhereClauseLocation::Both =
    1226 | |                     where_clause_location
    1227 | |                 {
    1228 | |                     generics.where_clause = input.parse()?;
    1229 | |                 }
         | |_________________^
@dtolnay dtolnay merged commit 6a51d20 into master Mar 14, 2022
@dtolnay dtolnay deleted the where branch March 14, 2022 05:54
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Change syntax of where-clauses on associated types
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