lean4-htt/tests/lean/run/evalconst.lean
2020-10-09 18:21:45 -07:00

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324 B
Text

import Lean
new_frontend
open Lean
def x := 10
unsafe def tst : CoreM Unit := do
let env ← getEnv
IO.println $ env.evalConst Nat `x
#eval tst
def f (x : Nat) := x + 1
unsafe def tst2 : CoreM Unit := do
let env ← getEnv
let f ← liftIO $ IO.ofExcept $ env.evalConst (Nat → Nat) `f
IO.println $ (f 10)
#eval tst2