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    Arg

    source
    pub(all) struct Arg {
      name : String?
      value : Expr
    }

    A positional or named FEEL call argument.

    Expr

    source
    pub(all) enum Expr {
      Lit(
    Value    )
      Name(String)
      Unary(String, Expr)
      Binary(String, Expr, Expr)
      IfThenElse(Expr, Expr, Expr)
      ListLit(Array[Expr])
      ContextLit(Array[(String, Expr)])
      RangeLit(Expr?, Bool, Expr?, Bool)
      Seq(Expr, Expr)
      Call(Expr, Array[Arg])
      Path(Expr, String)
      Filter(Expr, Expr)
      For(Array[(String, Expr)], Expr)
      SomeIn(Array[(String, Expr)], Expr)
      EveryIn(Array[(String, Expr)], Expr)
      FunctionDef(Array[String], Expr)
      TypedFunctionDef(Array[(String, String)], Expr)
      InstanceOf(Expr, String)
      Between(Expr, Expr, Expr)
      In(Expr, Test)
    }

    Compiled FEEL expression tree; treat as immutable after compilation.

    Test

    source
    pub(all) enum Test {
      AnyTest
      NotTest(Test)
      CompareTest(String, Expr)
      RangeTest(Expr?, Bool, Expr?, Bool)
      ExprTest(Expr)
      AnyOfTest(Array[Test])
    }

    A unary test as used by decision table input entries and the in operator.

    compile

    source

    Compile a complete FEEL expression using the supplied scoped names.

    compile_test

    source
    fn compile_test(source : String, names? : Array[String]) -> Test raise 
    EngineError

    Compile a decision table input entry or an in operand.

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