21 lines
469 B
Text
21 lines
469 B
Text
import Init.Lean.Meta
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open Lean
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open Lean.Meta
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axiom simple : forall {p q : Prop}, p → q → p
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def print (msg : MessageData) : MetaM Unit :=
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trace! `Meta.Tactic msg
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set_option trace.Meta.Tactic true
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def tst1 : MetaM Unit :=
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do cinfo ← getConstInfo `simple;
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mvar ← mkFreshExprSyntheticMVar cinfo.type;
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let mvarId := mvar.mvarId!;
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(_, mvarId) ← introN mvarId 4;
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assumption mvarId;
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result ← instantiateMVars mvar;
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print result
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#eval tst1
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