lean2/tests/lean/run/coe6.lean

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import data.unit
open unit
variable int : Type.{1}
variable nat : Type.{1}
variable izero : int
variable nzero : nat
variable isucc : int → int
variable nsucc : nat → nat
definition f [coercion] (a : unit) : int := izero
definition g [coercion] (a : unit) : nat := nzero
set_option pp.coercion true
check isucc star
check nsucc star