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| author | Josh Price <joshprice247+git@gmail.com> | 2016-03-23 16:19:01 +0100 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2016-03-24 10:53:27 +0100 |
| commit | 03a1bb4d010f94bed233ca261bf44e00c7bd9878 (patch) | |
| tree | 890d30986fc232bc3715d3a39ec5aea73b430755 /testsuite/tests/parser | |
| parent | 2708c22b8c8a415446d963575c0396a038b43a93 (diff) | |
| download | haskell-03a1bb4d010f94bed233ca261bf44e00c7bd9878.tar.gz | |
Add unicode syntax for banana brackets
Summary:
Add "⦇" and "⦈" as unicode alternatives for "(|" and "|)" respectively.
This must be implemented differently than other unicode additions
because ⦇" and "⦈" are interpretted as a $unigraphic rather than
a $unisymbol.
Test Plan: validate
Reviewers: goldfire, bgamari, austin
Reviewed By: bgamari, austin
Subscribers: thomie, mpickering
Differential Revision: https://phabricator.haskell.org/D2012
GHC Trac Issues: #10162
Diffstat (limited to 'testsuite/tests/parser')
| -rw-r--r-- | testsuite/tests/parser/unicode/all.T | 2 | ||||
| -rw-r--r-- | testsuite/tests/parser/unicode/arrowsyntax.hs | 34 |
2 files changed, 36 insertions, 0 deletions
diff --git a/testsuite/tests/parser/unicode/all.T b/testsuite/tests/parser/unicode/all.T index 36554cc143..6876fe777c 100644 --- a/testsuite/tests/parser/unicode/all.T +++ b/testsuite/tests/parser/unicode/all.T @@ -26,3 +26,5 @@ test('T7671', normal, compile, ['']) # supported by the test suite (see 10907) test('T10907', normal, compile, ['']) test('T7650', normal, compile, ['']) + +test('arrowsyntax', normal, compile, [''])
\ No newline at end of file diff --git a/testsuite/tests/parser/unicode/arrowsyntax.hs b/testsuite/tests/parser/unicode/arrowsyntax.hs new file mode 100644 index 0000000000..05a8495167 --- /dev/null +++ b/testsuite/tests/parser/unicode/arrowsyntax.hs @@ -0,0 +1,34 @@ +{-# LANGUAGE Arrows #-} +{-# LANGUAGE UnicodeSyntax #-} + +-- See Trac #2978 and #10162 for details +-- This test is a unicode version of tests/arrows/should_compile/arrowform1.hs + +module ShouldCompile where + +import Control.Arrow + +handle :: ArrowPlus a => a (b,s) c -> a (b,(String,s)) c -> a (b,s) c +handle f h = proc (b,s) -> (f ⤙ (b,s)) <+> (h ⤙ (b,("FAIL",s))) + +f :: ArrowPlus a => a (Int,Int) String +f = proc (x,y) -> + ⦇handle + (returnA ⤙ show y) + (\s -> returnA ⤙ s ++ show x) + ⦈ + +g :: ArrowPlus a => a (Int,Int) String +g = proc (x,y) -> + ⦇handle + (\msg -> returnA ⤙ msg ++ show y) + (\s msg -> returnA ⤙ s ++ show x) + ⦈ ("hello " ++ show x) + +h :: ArrowPlus a => a (Int,Int) Int +h = proc (x,y) -> + ( + (\z -> returnA ⤙ x + z) + <+> + (\z -> returnA ⤙ y + z) + ) (x*y) |