Add implementation for pretty-printing #2
Description
The reference can be found here: https://hackage.haskell.org/package/language-glsl-0.3.0/docs/src/Language.GLSL.Pretty.html
{{ message }}
The reference can be found here: https://hackage.haskell.org/package/language-glsl-0.3.0/docs/src/Language.GLSL.Pretty.html