main = \ /* no parameters */ -> 3
--
2:30-2:32: Unexpected token '->' (ARROW). Expected one of ATTACHED_HASH, BEGIN_STRING, BLANK, CHAR, DO, ENFORCE, EQ, ESCAPED_SYMBOL, FLOAT, ID, IF, INTEGER, LAMBDA, LAMBDA_MATCH, LBRACKET, LET, LPAREN, MATCH, MDO, SELECT, SELECT_DISTINCT, SELECT_FIRST, TRANSFORMATION.