
  Syntax error!
  syntax_tests/data/parsing/errors/expressions/array.res:2:44

  1 │ // missing ] before )
  2 │ let xs = x.map(key => [key, predicates[key])
  3 │ 

  Did you forget a `]` here?

let xs = x.map (fun [arity:1]key -> [|key;(predicates.(key))|])