Warning found:
in module Main
at tests/purs/warning/TypeClassMethodSynonym.purs:8:3 - 8:19 (line 8, column 3 - line 8, column 19)

  Type variable a was shadowed.

in type declaration for c

See https://github.com/purescript/documentation/blob/master/errors/ShadowedTypeVar.md for more information,
or to contribute content related to this warning.