lean2/library/data/string.lean
Leonardo de Moura 9412e604c8 refactor(library/data): cleanup datatypes
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-09-04 22:31:52 -07:00

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-- Copyright (c) 2014 Microsoft Corporation. All rights reserved.
-- Released under Apache 2.0 license as described in the file LICENSE.
-- Author: Leonardo de Moura
import data.bool
open bool inhabited
inductive char : Type :=
mk : bool → bool → bool → bool → bool → bool → bool → bool → char
namespace char
theorem is_inhabited [protected] [instance] : inhabited char :=
inhabited.mk (mk ff ff ff ff ff ff ff ff)
end char
inductive string : Type :=
empty : string,
str : char → string → string
namespace string
theorem is_inhabited [protected] [instance] : inhabited string :=
inhabited.mk empty
end string