Error found:
in module Main
at tests/purs/failing/ArrayType.purs:10:7 - 10:8 (line 10, column 7 - line 10, column 8)

  Could not match type
       
    Int
       
  with type
          
    Number
          

while checking that type Int
  is at least as general as type Number
while checking that expression x
  has type Number
in value declaration foo

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