gebner/quote4

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Expression quotations for Lean 4 This package implements type-safe expression quotations, which are a particularly convenient way of constructing object-level expressions (Expr) in meta-level code. It combines the intuitiveness of modal sequent calculus with the power and speed of Lean 4's metaprogramming facilities. Show me some code! import Qq open Qq Lean -- Construct an expression def a : Expr := q([42 + 1]) -- Construct a typed expression def b : Q(List Nat) := q([42 + 1]) -- Antiquotations def...