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Diffstat (limited to 'dev-haskell/lens-family-core/metadata.xml')
| -rw-r--r-- | dev-haskell/lens-family-core/metadata.xml | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/dev-haskell/lens-family-core/metadata.xml b/dev-haskell/lens-family-core/metadata.xml new file mode 100644 index 000000000000..291ddcbcd4f3 --- /dev/null +++ b/dev-haskell/lens-family-core/metadata.xml @@ -0,0 +1,25 @@ +<?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> + This package provides first class( ) functional references. + In addition to the usual operations of getting, setting and composition, plus integration with the state monad, lens families provide some unique features: + + * Polymorphic updating + + * Traversals + + * Cast projection functions to read-only lenses + + * Cast \"toList\" functions to read-only traversals + + * Cast semantic editor combinators to modify-only traversals. + + ( ) For optimal first-class support use the @lens-family@ package with rank 2 / rank N polymorphism. + "Lens.Family.Clone" allows for first-class support of lenses and traversals for those who require Haskell 98. + </longdescription> +</pkgmetadata> |