24 lines
805 B
Text
24 lines
805 B
Text
----------------------------------------------------------------------------------------------------
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-- Copyright (c) 2014 Microsoft Corporation. All rights reserved.
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-- Released under Apache 2.0 license as described in the file LICENSE.
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-- Author: Leonardo de Moura
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----------------------------------------------------------------------------------------------------
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import data.bool
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using bool
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namespace string
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inductive char : Type :=
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| ascii : bool → bool → bool → bool → bool → bool → bool → bool → char
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inductive string : Type :=
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| empty : string
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| str : char → string → string
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theorem inhabited_char [instance] : inhabited char :=
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inhabited_intro (ascii ff ff ff ff ff ff ff ff)
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theorem inhabited_string [instance] : inhabited string :=
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inhabited_intro empty
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end string
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