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GHC 9.10.3 · lts/ghc-9.10.x · c74966e · 2026-09-27

Moduleqrcode-core-0.9.9Haskell2010

Codec.QRCode.Data.QRImage

  • 1 type
  • 2 values
valuetoList
  1. :: (IsList l, Item l ~ a)
  2. => a

    Value for black modules

  3. -> a

    Value for white modules

  4. -> QRImage
  5. -> l
#

Convert the QR code image into a list-type containing all elements from top to bottom and left to right. The values for black/white have to be specified.

valuetoMatrix
  1. :: (IsList l, Item l ~ k, IsList k, Item k ~ a)
  2. => a

    Value for black modules

  3. -> a

    Value for white modules

  4. -> QRImage
  5. -> l
#

Convert the QR code image into a list-type of list-type. The values for black/white have to be specified.