lens-simple 0.1.0.0 → 0.1.0.1

raw patch · 1 files changed

+17/−15 lines, 1 files

Files

• lens-simple.cabal +17/−15

@@ -1,36 +1,38 @@ name:                lens-simple-version:             0.1.0.0-synopsis:            simplified import of essential lens combinators+version:             0.1.0.1+synopsis:            simplified import of elementary lens-family combinators  description:         This module, @Lens.Simple@, just re-exports the main modules from Russell O\'Connor's -                     <http://hackage.haskell.org/package/lens-family-core lens-family-core> +                     <http://hackage.haskell.org/package/lens-family lens-family>                       package, the original <http://r6.ca/blog/20120623T104901Z.html van Laarhoven lens> library.                       @Lens.Simple@ also re-exports @makeLenses@ and                       other TH incantations from Dan Burton's associated                       <http://hackage.haskell.org/package/lens-family-th lens-family-th>.                       .-                     The idea is just to make a lens-family equivalent of @import Control.Lens@, namely @import Lens.Simple@ -                     /-/- it's even one character shorter! As an illustration, note that +                     The idea is just to make a minimal-dependency lens-family equivalent of @import Control.Lens@, namely @import Lens.Simple@ +                     /-/- it's even one character shorter! +                     .+                     As an illustration, note that                       the <https://github.com/michaelt/lens-family-simple/blob/master/examples/Pong.hs pong example>                       from the @lens@ library requires only this abbreviating change of imports. +                     If the program more complicated, need might arise for the unfathomably more +                     sophisticated material in @Control.Lens@. Because @lens-family@ accords as +                     far as possible, with @Control.Lens@, within its more limited sphere,+                     a change of imports will often be all that is necessary to begin using them.                      .-                     Similarly, when need arises for the unfathomably more -                     sophisticated material in @Control.Lens@, a-                     change of imports will tend be all that is necessary -                     to begin using them. +                     It is rarely necessary to exceed the materials exported here when using+                     the lenses and lensish operations exported by e.g. +                     <http://hackage.haskell.org/package/pipes-bytestring pipes-bytestring> +                     or <http://hackage.haskell.org/package/pipes-group pipes-group>. It is for such+                     use-cases that this module is principally intended.                      .-                     It should be kept in mind that the @zoom@ exported here does-                     not use @MonadState@ from @mtl@ but is -                     specialized to @Control.Monad.Trans.State.Strict@  Many of-                     the other lenses and combinators are a bit more +                     Note that many of the other lenses and combinators are a bit more                       specialized than their @Control.Lens@ equivalents:                       for example, _1 and _2 are here                       familiarly specialized to act just on real Haskell                      pairs; with the loss of abstraction we also of course                      lose the concomitant opaque error messages                       about @Field1 s t a b@ etc.-                     --- description:    homepage:            https://github.com/michaelt/lens-simple license:             BSD3