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author | John MacFarlane <jgm@berkeley.edu> | 2017-02-04 12:56:30 +0100 |
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committer | John MacFarlane <jgm@berkeley.edu> | 2017-02-04 12:56:30 +0100 |
commit | 18ab8642692caca2716fd9b5a0e6dbfd3d9cf9cc (patch) | |
tree | 05f4e9024093e233c131b3494e71265062ffd94a /test/lhs-test.markdown | |
parent | 8418c1a7d7e5312dfddbc011adb257552b2a864b (diff) | |
download | pandoc-18ab8642692caca2716fd9b5a0e6dbfd3d9cf9cc.tar.gz |
Moved tests/ -> test/.
Diffstat (limited to 'test/lhs-test.markdown')
-rw-r--r-- | test/lhs-test.markdown | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/lhs-test.markdown b/test/lhs-test.markdown new file mode 100644 index 000000000..20949b75c --- /dev/null +++ b/test/lhs-test.markdown @@ -0,0 +1,21 @@ +lhs test +======== + +`unsplit` is an arrow that takes a pair of values and combines them to +return a single value: + +``` {.sourceCode .literate .haskell} +unsplit :: (Arrow a) => (b -> c -> d) -> a (b, c) d +unsplit = arr . uncurry + -- arr (\op (x,y) -> x `op` y) +``` + +`(***)` combines two arrows into a new arrow by running the two arrows on a +pair of values (one arrow on the first item of the pair and one arrow on the +second item of the pair). + + f *** g = first f >>> second g + +Block quote: + +> foo bar |