diff options
Diffstat (limited to 'parser.sml')
| -rw-r--r-- | parser.sml | 6 |
1 files changed, 5 insertions, 1 deletions
@@ -459,10 +459,14 @@ struct <|> orelseExpr) st and dec : Syntax.dec parser = fn st => (reserved "val" >> + bind (true <$ reserved "rec" <|> const false) (fn isRec => bind pat (fn p => reserved "=" >> bind expr (fn e => - const (Syntax.DVal (p, e))))) st + const + (if isRec + then Syntax.DValRec (p, e) + else Syntax.DVal (p, e)))))) st val program : Syntax.expr parser = (fn decs => Syntax.ELet (decs, Syntax.EInt 0)) <$> many dec fun parse (f : string) : (string, Syntax.expr) Result.either = runParser program f |
