base16-lens: Optics for the Base16 library
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- base16-lens-0.1.0.0.tar.gz [browse] (Cabal source package)
- Package description (as included in the package)
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| Versions [RSS] | 0.1.0.0, 0.1.1.0, 0.1.2.0, 0.1.3.0, 0.1.3.1, 0.1.3.2 |
|---|---|
| Change log | CHANGELOG.md |
| Dependencies | base (>=4.10 && <5), base16 (>=0.1.1 && <0.2), bytestring (>=0.10 && <0.11), lens (>=4.0 && <5), text (>=1.2 && <1.3) [details] |
| Tested with | ghc ==8.2.2 || ==8.4.3 || ==8.4.4 || ==8.6.3 || ==8.6.5 || ==8.8.1 |
| License | BSD-3-Clause |
| Copyright | (c) 2020 Emily Pillmore |
| Author | Emily Pillmore |
| Maintainer | emilypi@cohomolo.gy |
| Category | Data |
| Home page | https://github.com/emilypi/base16-lens |
| Bug tracker | https://github.com/emilypi/base16-lens/issues |
| Source repo | head: git clone https://github.com/emilypi/base16.git |
| Uploaded | by topos at 2020-02-17T21:23:27Z |
| Distributions | |
| Downloads | 1589 total (3 in the last 30 days) |
| Rating | (no votes yet) [estimated by Bayesian average] |
| Your Rating | |
| Status | Docs available [build log] Last success reported on 2020-02-17 [all 1 reports] |
Readme for base16-lens-0.1.0.0
[back to package description]Base16-lens
This package provides optics and convenient pattern synonyms for the base16 library.
Patterns
The pattern synonyms provided in this library are:
pattern Hex :: ByteString -> ByteString
-- and
pattern Hex :: Text -> Text
These provide a convenient high level interface for passing Base16 encoded values.
Optics
Prisms for encoding and decoding Text and ByteString values are given as part of the library:
_Hex :: Prism' ByteString ByteString
-- and
_Hex:: Prism' Text Text
If a particular structure has a Lens into some Text or ByteString value they might want to encode (or decode), then composing such a Lens with these Prisms yields an affine Traversal, resulting in a structure which has the focus of its Lens encoded as or decoded from Base16.