opaque Lean.noncomputableExt : TagDeclarationExtension

def Lean.addNoncomputable (env : Environment) (declName : Name) : Environment

Mark in the environment extension that the given declaration has been declared by the user as noncomputable.

Equations

• Lean.addNoncomputable env declName = Lean.noncomputableExt.tag env declName

def Lean.isNoncomputable (env : Environment) (declName : Name) : Bool

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.

Equations

• Lean.isNoncomputable env declName = Lean.noncomputableExt.isTagged env declName