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swift-3-api-guidelines
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5 Commits

Author SHA1 Message Date
David Farler
3f635d04c7 Reinstante var bindings in refutable patterns, except function parameters. 
This reverts commits: b96e06da44,
                      8f2fbdc93a,
                      93b6962478,
                      64024118f4,
                      a759ca9141,
                      3434f9642b,
                      9f33429891,
                      47c043e8a6.

This commit leaves 'var' on function parameters as a warning to be
merged into Swift 2.2. For Swift 3, this will be an error, to be
converted in a follow-up.
 2016-01-29 15:27:08 -08:00
David Farler
93b6962478 Warn when using 'var' bindings in function parameters 
These will no longer be allowed in a future Swift release.

rdar://problem/23172698
 2015-11-03 17:24:20 -08:00
Chris Lattner
ada5487153 add fixit tests to random other tests. 
Swift SVN r31006
 2015-08-04 20:35:36 +00:00
Chris Lattner
ddd6192094 Implement 3 prominent feature requests: 
<rdar://problem/15975935> warning that you can use 'let' not 'var'
<rdar://problem/18876585> Compiler should warn me if I set a parameter as 'var' but never modify it
<rdar://problem/17224539> QoI: warn about unused variables

This uses a simple pass in MiscDiagnostics that walks the body of an
AbstractFunctionDecl.  This means that it doesn't warn about unused properties (etc),
but it captures a vast majority of the cases.

It also does not warn about unused parameters (as a policy decision) because it is too noisy,
there are a variety of other refinements that could be done as well, thoughts welcome.



Swift SVN r28412
 2015-05-11 06:26:05 +00:00
Doug Gregor
1dbbf92660 Add a warning when a closure parameter is followed by defaulted parameters. 
This finds cases where something that used to be a trailing closure is
no longer a trailing closure due to the recent rule change.

Swift SVN r25289
 2015-02-14 00:23:38 +00:00