42 lines
1,013 B
Text
42 lines
1,013 B
Text
import Lean.Meta
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open Lean
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open Lean.Meta
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def tst1 : MetaM Unit :=
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withLocalDeclD `y (mkConst `Nat) $ fun y => do
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withLetDecl `x (mkConst `Nat) (mkNatLit 0) $ fun x => do {
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let mvar ← mkFreshExprMVar (mkConst `Nat) MetavarKind.syntheticOpaque;
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trace[Meta.debug] mvar;
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let r ← mkLambdaFVars #[y, x] mvar;
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trace[Meta.debug] r;
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let v := mkApp2 (mkConst `Nat.add) x y;
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mvar.mvarId!.assign v;
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trace[Meta.debug] mvar;
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trace[Meta.debug] r;
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let mctx ← getMCtx;
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let sortedDecls := mctx.decls.toArray.qsort (fun ⟨v1, _⟩ ⟨v2, _⟩ => v1.name.lt v2.name);
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let mut i : Nat := 0;
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for ⟨_, mvarDecl⟩ in sortedDecls do
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trace[Meta.debug] m!"?{i} : {mvarDecl.type}";
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i := i + 1;
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}
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set_option pp.mvars false
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set_option trace.Meta.debug true
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/--
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info: [Meta.debug] ?_
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[Meta.debug] fun y =>
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let x := 0;
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?_
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[Meta.debug] x.add y
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[Meta.debug] fun y =>
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let x := 0;
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x.add y
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[Meta.debug] ?0 : Nat
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[Meta.debug] ?1 : Nat → Nat → Nat
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-/
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#guard_msgs in
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#eval tst1
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