lean4-htt/tests/lean/run/dynamic.lean
2022-08-10 06:31:46 -07:00

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Text

import Std
open Std
deriving instance TypeName for Nat
deriving instance TypeName for String
example : (Dynamic.mk 42).get? String = none := by native_decide
example : (Dynamic.mk 42).get? Nat = some 42 := by native_decide
example : (Dynamic.mk 42).typeName = ``Nat := by native_decide