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authorDavid Terei <davidterei@gmail.com>2011-07-20 11:09:03 -0700
committerDavid Terei <davidterei@gmail.com>2011-07-20 11:26:35 -0700
commit16514f272fb42af6e9c7674a9bd6c9dce369231f (patch)
treee4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/arrows/should_compile/arrowdo1.hs
parentebd422aed41048476aa61dd4c520d43becd78682 (diff)
downloadhaskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz
Move tests from tests/ghc-regress/* to just tests/*
Diffstat (limited to 'testsuite/tests/arrows/should_compile/arrowdo1.hs')
-rw-r--r--testsuite/tests/arrows/should_compile/arrowdo1.hs17
1 files changed, 17 insertions, 0 deletions
diff --git a/testsuite/tests/arrows/should_compile/arrowdo1.hs b/testsuite/tests/arrows/should_compile/arrowdo1.hs
new file mode 100644
index 0000000000..b70eedd460
--- /dev/null
+++ b/testsuite/tests/arrows/should_compile/arrowdo1.hs
@@ -0,0 +1,17 @@
+{-# LANGUAGE Arrows #-}
+
+module ShouldCompile where
+
+import Control.Arrow
+
+f :: Arrow a => a (Int,Int,Int) Int
+f = proc (x,y,z) -> returnA -< x+y
+
+g :: Arrow a => Int -> a Int Int
+g x = proc y -> returnA -< x*y
+
+h :: Arrow a => Int -> a (Int,Int) Int
+h x = proc (y,z) -> do
+ a <- f -< (x,y,3)
+ b <- g (2+x) -< y+a
+ returnA -< a*b+z