lean4-htt/src/Lean/Compiler/NoncomputableAttr.lean

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/-
Copyright (c) 2022 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Leonardo de Moura
-/
import Lean.Environment
namespace Lean
builtin_initialize noncomputableExt : TagDeclarationExtension ← mkTagDeclarationExtension `noncomputable
/-- Mark in the environment extension that the given declaration has been declared by the user as `noncomputable`. -/
def addNoncomputable (env : Environment) (declName : Name) : Environment :=
noncomputableExt.tag env declName
/--
Return true iff the user has declared the given declaration as `noncomputable`.
Remark: we use this function only for introspection. It is currently not used by the code generator.
-/
def isNoncomputable (env : Environment) (declName : Name) : Bool :=
noncomputableExt.isTagged env declName
end Lean