Add support for `if let`#17634

Merged

bors merged 9 commits into

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Oct 1, 2014

Commits on Sep 30, 2014

Teach libsyntax about `if let`

lilyball
authored and
jakubadamw
committed
Desugar 'if let' into the appropriate 'match'

lilyball
authored and
jakubadamw
committed
Add tests for `if let`

lilyball
authored and
jakubadamw
committed
Produce a better error for irrefutable `if let` patterns

lilyball
authored and
jakubadamw
committed
Move `if let` behind a feature gate

lilyball
authored and
jakubadamw
committed
Update based on PR feedback

lilyball
authored and
jakubadamw
committed
Add `if let` to the reference
jakubadamw
committed
Update after the fall out from the syntax::ptr changes
jakubadamw
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Temporarily remove the description for the diagnostic E0162
jakubadamw
committed