public static Exp Let(
params Exp[] exps
)
// Args Format: def1, def2, ..., exp
// def:
// exp: Scoped expression
// 5 < a < 10
Exp.Let(
Exp.Def("x", Exp.IntBin("a")),
Exp.And(
Exp.LT(Exp.Val(5), Exp.Var("x")),
Exp.LT(Exp.Var("x"), Exp.Val(10))));