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authorathanclark <>2017-10-11 19:34:00 (GMT)
committerhdiff <hdiff@hdiff.luite.com>2017-10-11 19:34:00 (GMT)
commit117e865a8a20712169097a49572a8076dc6c3009 (patch)
tree1c80eb288fdd55396ee9402192d74048d3be2fa5
version 0.0.0HEAD0.0.0master
-rw-r--r--LICENSE30
-rw-r--r--README.md1
-rw-r--r--Setup.hs2
-rw-r--r--alternative-vector.cabal25
-rw-r--r--src/Control/Alternative/Vector.hs12
5 files changed, 70 insertions, 0 deletions
diff --git a/LICENSE b/LICENSE
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index 0000000..30697f1
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright Athan Clark (c) 2017
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following
+ disclaimer in the documentation and/or other materials provided
+ with the distribution.
+
+ * Neither the name of Athan Clark nor the names of other
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. \ No newline at end of file
diff --git a/README.md b/README.md
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+++ b/README.md
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+# alternative-many-vector
diff --git a/Setup.hs b/Setup.hs
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index 0000000..9a994af
--- /dev/null
+++ b/Setup.hs
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+import Distribution.Simple
+main = defaultMain
diff --git a/alternative-vector.cabal b/alternative-vector.cabal
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+++ b/alternative-vector.cabal
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+name: alternative-vector
+version: 0.0.0
+synopsis: Use vectors instead of lists for many and some
+-- description:
+homepage: https://github.com/athanclark/alternative-vector#readme
+license: BSD3
+license-file: LICENSE
+author: Athan Clark
+maintainer: athan.clark@gmail.com
+copyright: BSD-3
+category: Web
+build-type: Simple
+extra-source-files: README.md
+cabal-version: >=1.10
+
+library
+ hs-source-dirs: src
+ exposed-modules: Control.Alternative.Vector
+ build-depends: base >= 4.7 && < 5
+ , vector
+ default-language: Haskell2010
+
+source-repository head
+ type: git
+ location: https://github.com/athanclark/alternative-vector
diff --git a/src/Control/Alternative/Vector.hs b/src/Control/Alternative/Vector.hs
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+++ b/src/Control/Alternative/Vector.hs
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+module Control.Alternative.Vector where
+
+import Data.Vector (Vector, cons, empty)
+import Control.Applicative (Alternative ((<|>)))
+
+
+someV :: Alternative f => f a -> f (Vector a)
+someV v = cons <$> v <*> manyV v
+
+
+manyV :: Alternative f => f a -> f (Vector a)
+manyV v = someV v <|> pure empty