5.3. Primary Expressions#

(* Introduced in 0.5.3 *)
TypeExpression = (* type_keyword: *) TYPE_KEYWORD
                 (* open_paren: *) OPEN_PAREN
                 (* type_name: *) TypeName
                 (* close_paren: *) CLOSE_PAREN;

NewExpression = (* new_keyword: *) NEW_KEYWORD
                (* type_name: *) TypeName;

TupleExpression = (* open_paren: *) OPEN_PAREN
                  (* items: *) TupleValues
                  (* close_paren: *) CLOSE_PAREN;

TupleValues = (* item: *) TupleValue ((* separator: *) COMMA (* item: *) TupleValue)*;

TupleValue = (* expression: *) Expression?;

ArrayExpression = (* open_bracket: *) OPEN_BRACKET
                  (* items: *) ArrayValues
                  (* close_bracket: *) CLOSE_BRACKET;

ArrayValues = (* item: *) Expression ((* separator: *) COMMA (* item: *) Expression)*;