39 lines
1.1 KiB
Text
39 lines
1.1 KiB
Text
/-
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Copyright (c) 2019 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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prelude
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import Init.Lean.Environment
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namespace Lean
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def mkAuxRecursorExtension : IO TagDeclarationExtension :=
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mkTagDeclarationExtension `auxRec
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@[init mkAuxRecursorExtension]
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constant auxRecExt : TagDeclarationExtension := arbitrary _
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@[export lean_mark_aux_recursor]
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def markAuxRecursor (env : Environment) (n : Name) : Environment :=
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auxRecExt.tag env n
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@[export lean_is_aux_recursor]
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def isAuxRecursor (env : Environment) (n : Name) : Bool :=
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auxRecExt.isTagged env n
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def mkNoConfusionExtension : IO TagDeclarationExtension :=
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mkTagDeclarationExtension `noConf
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@[init mkNoConfusionExtension]
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constant noConfusionExt : TagDeclarationExtension := arbitrary _
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@[export lean_mark_no_confusion]
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def markNoConfusion (env : Environment) (n : Name) : Environment :=
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noConfusionExt.tag env n
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@[export lean_is_no_confusion]
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def isNoConfusion (env : Environment) (n : Name) : Bool :=
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noConfusionExt.isTagged env n
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end Lean
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