purescript-0.15.15: tests/purs/failing/MissingClassMember.out
Error found:
at tests/purs/failing/MissingClassMember.purs:9:1 - 10:10 (line 9, column 1 - line 10, column 10)
The following type class members have not been implemented:
[33mb :: String -> Number[0m
[33mc :: forall f. String -> f String[0m
in type class instance
[33m [0m
[33m Main.A String[0m
[33m [0m
See https://github.com/purescript/documentation/blob/master/errors/MissingClassMember.md for more information,
or to contribute content related to this error.