def Lean.MVarId.getTag (mvarId : MVarId) : MetaM Name

Get the user name of the given metavariable.

Equations

• mvarId.getTag = do let __do_lift ← mvarId.getDecl pure __do_lift.userName

def Lean.MVarId.setTag (mvarId : MVarId) (tag : Name) : MetaM Unit

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def Lean.Meta.appendTag (tag suffix : Name) : Name

Equations

• Lean.Meta.appendTag tag suffix = tag.modifyBase fun (x : Lean.Name) => x ++ suffix.eraseMacroScopes

def Lean.Meta.appendTagSuffix (mvarId : MVarId) (suffix : Name) : MetaM Unit

Equations

• Lean.Meta.appendTagSuffix mvarId suffix = do let tag ← mvarId.getTag mvarId.setTag (Lean.Meta.appendTag tag suffix)

def Lean.Meta.mkFreshExprSyntheticOpaqueMVar (type : Expr) (tag : Name := Name.anonymous) : MetaM Expr

Equations

• Lean.Meta.mkFreshExprSyntheticOpaqueMVar type tag = Lean.Meta.mkFreshExprMVar (some type) Lean.MetavarKind.syntheticOpaque tag

def Lean.Meta.throwTacticEx {α : Type} (tacticName : Name) (mvarId : MVarId) (msg? : Option MessageData := none) : MetaM α

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def Lean.Meta.throwNestedTacticEx {α : Type} (tacticName : Name) (ex : Exception) : MetaM α

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• One or more equations did not get rendered due to their size.

def Lean.MVarId.checkNotAssigned (mvarId : MVarId) (tacticName : Name) : MetaM Unit

Throw a tactic exception with given tactic name if the given metavariable is assigned.

Equations

• One or more equations did not get rendered due to their size.

def Lean.MVarId.getType (mvarId : MVarId) : MetaM Expr

Get the type the given metavariable.

Equations

• mvarId.getType = do let __do_lift ← mvarId.getDecl pure __do_lift.type

def Lean.MVarId.getType' (mvarId : MVarId) : MetaM Expr

Get the type the given metavariable after instantiating metavariables and reducing to weak head normal form.

Equations

• mvarId.getType' = do let __do_lift ← mvarId.getType let __do_lift ← Lean.Meta.whnf __do_lift Lean.instantiateMVars __do_lift

def Lean.MVarId.admit (mvarId : MVarId) (synthetic : Bool := true) : MetaM Unit

Assign mvarId to sorryAx

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def Lean.MVarId.headBetaType (mvarId : MVarId) : MetaM Unit

Beta reduce the metavariable type head

Equations

• mvarId.headBetaType = do let __do_lift ← mvarId.getType mvarId.setType __do_lift.headBeta

def Lean.MVarId.getNondepPropHyps (mvarId : MVarId) : MetaM (Array FVarId)

Collect nondependent hypotheses that are propositions.

Equations

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def Lean.Meta.saturate (mvarId : MVarId) (x : MVarId → MetaM (Option (List MVarId))) : MetaM (List MVarId)

Equations

• Lean.Meta.saturate mvarId x = do let __discr ← (Lean.Meta.saturate.go x mvarId).run #[] match __discr with | (fst, r) => pure r.toList

partial def Lean.Meta.saturate.go (x : MVarId → MetaM (Option (List MVarId))) (mvarId : MVarId) : StateRefT' IO.RealWorld (Array MVarId) MetaM Unit

def Lean.Meta.exactlyOne (mvarIds : List MVarId) (msg : MessageData := (MessageData.ofFormat ∘ format) "unexpected number of goals") : MetaM MVarId

Equations

• Lean.Meta.exactlyOne [mvarId] msg = pure mvarId
• Lean.Meta.exactlyOne mvarIds msg = Lean.throwError msg

def Lean.Meta.ensureAtMostOne (mvarIds : List MVarId) (msg : MessageData := (MessageData.ofFormat ∘ format) "unexpected number of goals") : MetaM (Option MVarId)

Equations

• Lean.Meta.ensureAtMostOne [] msg = pure none
• Lean.Meta.ensureAtMostOne [mvarId] msg = pure (some mvarId)
• Lean.Meta.ensureAtMostOne mvarIds msg = Lean.throwError msg

def Lean.Meta.getPropHyps : MetaM (Array FVarId)

Return all propositions in the local context.

Equations

• One or more equations did not get rendered due to their size.

def Lean.MVarId.inferInstance (mvarId : MVarId) : MetaM Unit

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inductive Lean.Meta.TacticResultCNM : Type

• closed : TacticResultCNM
• noChange : TacticResultCNM
• modified (mvarId : MVarId) : TacticResultCNM

def Lean.MVarId.isSubsingleton (g : MVarId) : MetaM Bool

Check if a goal is of a subsingleton type.

Equations

• One or more equations did not get rendered due to their size.

opaque Lean.Meta.tactic.skipAssignedInstances : Lean.Option Bool