
  Syntax error!
  syntax_tests/data/parsing/errors/expressions/arrow.res:1:52

  1 │ Object.keys(providers).reduce((elements, providerId] => {
  2 │   let x = 1
  3 │   let b = 2

  Did you forget a `,` here?

;;(Object.keys providers).reduce
    (fun [arity:2]elements ->
       fun providerId -> ((let x = 1 in let b = 2 in x + b)[@res.braces ]))