diff options
| author | V3n3RiX <venerix@koprulu.sector> | 2022-08-22 14:43:09 +0100 |
|---|---|---|
| committer | V3n3RiX <venerix@koprulu.sector> | 2022-08-22 14:43:09 +0100 |
| commit | c0a9f2400f704c438b0cef4f4105e7bb6c3cbbff (patch) | |
| tree | f03dacf9fcbf88186d23a1c68620015cca2a06b2 /dev-haskell/data-accessor | |
| parent | 4c4bbf21230bd972cf759b2a40b782aa4149fc1f (diff) | |
gentoo auto-resync : 22:08:2022 - 14:43:09
Diffstat (limited to 'dev-haskell/data-accessor')
| -rw-r--r-- | dev-haskell/data-accessor/Manifest | 3 | ||||
| -rw-r--r-- | dev-haskell/data-accessor/data-accessor-0.2.3.ebuild | 24 | ||||
| -rw-r--r-- | dev-haskell/data-accessor/metadata.xml | 70 |
3 files changed, 0 insertions, 97 deletions
diff --git a/dev-haskell/data-accessor/Manifest b/dev-haskell/data-accessor/Manifest deleted file mode 100644 index a0760fdc7c7a..000000000000 --- a/dev-haskell/data-accessor/Manifest +++ /dev/null @@ -1,3 +0,0 @@ -DIST data-accessor-0.2.3.tar.gz 10324 BLAKE2B 1db06e59b36c882310d3cf597a3642c3fb7b1b30df41d4fc0eb7f21087fd1f55ce70c8d7b460cd64384034395ab98ebc9ddf1059060f9dbfbf70012a11da0ee3 SHA512 7e875010f9835e3706d9d760e9490e567d14498cb86d485a6b29793d95172e1c5d767aee181eef7e0f160966b93144164cd5b6dc474fb44c1367b4a90d1490b4 -EBUILD data-accessor-0.2.3.ebuild 574 BLAKE2B 9cb96993330b2e62095184970150133f91297f22cae045fd169280cb5c43a6ae6f6e4c70561cae224525ed8b200bdd511458c68838dfe65c8a88ed9749db1355 SHA512 d0c8cf74834e528539b5da45a0778452018ad25a309453a37b33a32c12fc158428ff9c8eaec6c4c121680e8b70b5ca656f089783d0561e609644403ebba62521 -MISC metadata.xml 2767 BLAKE2B 01f825c5505ffe325b0b905cd9894b3aa3bbba82ec94ef156c9c8162cdb42596495e751c2a939740ce70fb0e2971d0302d569060f7032e5254509c5febc9caf8 SHA512 77ebd1dfb6cfac58e61b05d5feea8a99a5c6a9adc1f696be1ec78ba2511529dbe686ebfb83470da8d8d318d6556c2a18b1d044acfce60b58b7028b49b3662bbc diff --git a/dev-haskell/data-accessor/data-accessor-0.2.3.ebuild b/dev-haskell/data-accessor/data-accessor-0.2.3.ebuild deleted file mode 100644 index 6f1e60db11b7..000000000000 --- a/dev-haskell/data-accessor/data-accessor-0.2.3.ebuild +++ /dev/null @@ -1,24 +0,0 @@ -# Copyright 1999-2020 Gentoo Authors -# Distributed under the terms of the GNU General Public License v2 - -EAPI=7 - -# ebuild generated by hackport 0.6.9999 - -CABAL_FEATURES="lib profile haddock hoogle hscolour" -inherit haskell-cabal - -DESCRIPTION="Utilities for accessing and manipulating fields of records" -HOMEPAGE="https://www.haskell.org/haskellwiki/Record_access" -SRC_URI="https://hackage.haskell.org/package/${P}/${P}.tar.gz" - -LICENSE="BSD" -SLOT="0/${PV}" -KEYWORDS="~amd64 ~x86" -IUSE="" - -RDEPEND=">=dev-lang/ghc-7.8.2:= -" -DEPEND="${RDEPEND} - >=dev-haskell/cabal-1.18.1.3 -" diff --git a/dev-haskell/data-accessor/metadata.xml b/dev-haskell/data-accessor/metadata.xml deleted file mode 100644 index c5088ca5b3fe..000000000000 --- a/dev-haskell/data-accessor/metadata.xml +++ /dev/null @@ -1,70 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?> -<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd"> -<pkgmetadata> - <maintainer type="project"> - <email>haskell@gentoo.org</email> - <name>Gentoo Haskell</name> - </maintainer> - <longdescription> - In Haskell 98 the name of a record field - is automatically also the name of a function which gets the value - of the according field. - E.g. if we have - - data Pair a b = Pair - first :: a, second :: b - - then - - > first :: Pair a b -> a - > second :: Pair a b -> b - - However for setting or modifying a field value - we need to use some syntactic sugar, which is often clumsy. - - modifyFirst :: (a -> a) -> (Pair a b -> Pair a b) - modifyFirst f r\@(Pair - first=a - ) = r - first = f a - - With this package you can define record field accessors - which allow setting, getting and modifying values easily. - The package clearly demonstrates the power of the functional approach: - You can combine accessors of a record and sub-records, - to make the access look like the fields of the sub-record belong to the main record. - - Example: - - > *Data.Accessor.Example> (first^:second^=10) (('b',7),"hallo") - > (('b',10),"hallo") - - You can easily manipulate record fields in a 'Control.Monad.State.State' monad, - you can easily code 'Show' instances that use the Accessor syntax - and you can parse binary streams into records. - See @Data.Accessor.Example@ for demonstration of all features. - - It would be great if in revised Haskell versions the names of record fields - are automatically 'Data.Accessor.Accessor's - rather than plain @get@ functions. - For now, the package @data-accessor-template@ provides Template Haskell functions - for automated generation of 'Data.Acesssor.Accessor's. - See also the other @data-accessor@ packages - that provide an Accessor interface to other data types. - The package @enumset@ provides accessors to bit-packed records. - - For similar packages see @lenses@ and @fclabel@. - A related concept are editors - <http://conal.net/blog/posts/semantic-editor-combinators/>. - Editors only consist of a modify method - (and @modify@ applied to a 'const' function is a @set@ function). - This way, they can modify all function values of a function at once, - whereas an accessor can only change a single function value, - say, it can change @f 0 = 1@ to @f 0 = 2@. - This way, editors can even change the type of a record or a function. - An Arrow instance can be defined for editors, - but for accessors only a Category instance is possible ('(.)' method). - The reason is the @arr@ method of the @Arrow@ class, - that conflicts with the two-way nature (set and get) of accessors. - </longdescription> -</pkgmetadata> |