gzah
1
I have a query with regards to a parser.
The parser accepts
'[' ~ action_op ~ '(' (subject | var)~ comp_expr ~ ')' ']'
How could I possibly produce a different case one for when a subject is inserted, and one when a variable is inserted please ?
Thanks a lot and good day
Split the parser?
sealed trait NecTarget
object NecTarget {
case class Sub(value: Int) extends NecTarget
case class Var(name: String) extends NecTarget
}
def subP: Parser[Sub] = ???
def varP: Parser[Var] = ???
def targetP: Parser[NecTarget] = subP | varP
1 Like
gzah
3
Thanks a lot and good day