lean2/tests/lean/run/coesec.lean
Leonardo de Moura 4f2e0c6d7f refactor(frontends/lean): add 'attribute' command
The new command provides a uniform way to set declaration attributes.
It replaces the commands: class, instance, coercion, multiple_instances,
reducible, irreducible
2015-01-24 20:23:21 -08:00

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inductive func (A B : Type) :=
mk : (A → B) → func A B
section
variables {A B : Type}
definition to_function (F : func A B) : A → B :=
func.rec (λf, f) F
attribute to_function [coercion]
end