Type Alias Expr

Expr:
    | BooleanOp
    | ComparisonOp
    | MathOp
    | ConcatOp
    | Variable
    | Literal
    | Property
    | Function
    | Predicate
    | ListComprehension
    | PatternComprehension
    | Map
    | MapProjection
    | List
    | ListIndex
    | Case<ComparisonOp>
    | Collect