23 lines
801 B
Text
23 lines
801 B
Text
/-
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Copyright (c) 2021 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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Authors: Leonardo de Moura
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-/
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import Lean.MonadEnv
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namespace Lean
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builtin_initialize docStringExt : MapDeclarationExtension String ← mkMapDeclarationExtension `docstring
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def addDocString [MonadEnv m] (declName : Name) (docString : String) : m Unit :=
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modifyEnv fun env => docStringExt.insert env declName docString
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def addDocString' [Monad m] [MonadEnv m] (declName : Name) (docString? : Option String) : m Unit :=
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match docString? with
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| some docString => addDocString declName docString
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| none => return ()
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def findDocString? [Monad m] [MonadEnv m] (declName : Name) : m (Option String) :=
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return docStringExt.find? (← getEnv) declName
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end Lean
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