lean2/tests/lean/run/coe6.lean
2014-10-02 17:55:34 -07:00

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