Module
Railroad diagram
func
identifier
(
identifier
,
identifier
)
{
let
identifier
=
Expr
;
Expr
;
Expr
}
identifier
Railroad diagram
identStart
identStart
digit
Expr
Railroad diagram
identifier
:=
Expr
PrimaryExpr
+
-
*
/
PrimaryExpr
identStart
Railroad diagram
letter
_
PrimaryExpr
Railroad diagram
(
Expr
)
digit
identifier