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| author |   Jack Todaro <solpeth@posteo.org> | 2020-07-29 11:54:38 +1000 |
|---|---|---|
| committer |   Sergei Trofimovich <slyfox@gentoo.org> | 2020-08-01 09:00:17 +0100 |
| commit | a77b5838820486c1a07aa524fe1a396ff0ca14dd (patch) | |
| tree | 2aba7ff0e9ff930ecf4678cddf4998dfc83ae59d /dev-haskell/tree-diff/metadata.xml | |
| parent | dev-haskell/tasty: bump up to 1.2.3 (diff) | |
| download | gentoo-a77b5838820486c1a07aa524fe1a396ff0ca14dd.tar.gz gentoo-a77b5838820486c1a07aa524fe1a396ff0ca14dd.tar.bz2 gentoo-a77b5838820486c1a07aa524fe1a396ff0ca14dd.zip | |
dev-haskell/tree-diff: add package
Package-Manager: Portage-3.0.1, Repoman-2.3.23
Signed-off-by: Jack Todaro <solpeth@posteo.org>
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Diffstat (limited to 'dev-haskell/tree-diff/metadata.xml')
| -rw-r--r-- | dev-haskell/tree-diff/metadata.xml | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/dev-haskell/tree-diff/metadata.xml b/dev-haskell/tree-diff/metadata.xml new file mode 100644 index 000000000000..214ee1271465 --- /dev/null +++ b/dev-haskell/tree-diff/metadata.xml @@ -0,0 +1,36 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd"> +<pkgmetadata> + <maintainer type="project"> + <email>haskell@gentoo.org</email> + <name>Gentoo Haskell</name> + </maintainer> + <longdescription> + Common diff algorithm works on list structures: + + @ + diff :: Eq a => [a] -> [a] -> [Edit a] + @ + + This package works on trees. + + @ + treeDiff :: Eq a => Tree a -> Tree a -> Edit (EditTree a) + @ + + This package also provides a way to diff arbitrary ADTs, + using @Generics@-derivable helpers. + + This package differs from <http://hackage.haskell.org/package/gdiff gdiff>, + in a two ways: @tree-diff@ doesn't have patch function, + and the "edit-script" is a tree itself, which is useful for pretty-printing. + + @ + >>> prettyEditExpr $ ediff (Foo 42 [True, False] "old") (Foo 42 [False, False, True] "new") + Foo + {fooBool = [-True, +False, False, +True], + fooInt = 42, + fooString = -"old" +"new"} + @ + </longdescription> +</pkgmetadata> |