purescript-0.15.15: tests/purs/failing/RowInInstanceNotDetermined2.out
Error found:
in module [33mMain[0m
at tests/purs/failing/RowInInstanceNotDetermined2.purs:8:1 - 8:24 (line 8, column 1 - line 8, column 24)
Type class instance head is invalid due to use of type
[33m [0m
[33m ()[0m
[33m [0m
All types appearing in instance declarations must be of the form T a_1 .. a_n, where each type a_i is of the same form, unless the type is fully determined by other type class arguments via functional dependencies.
in type class instance
[33m [0m
[33m Main.C Unit [0m
[33m (Record ())[0m
[33m [0m
See https://github.com/purescript/documentation/blob/master/errors/InvalidInstanceHead.md for more information,
or to contribute content related to this error.