def Lean.Meta.delta? (e : Lean.Expr) (p : optParam (Lake.Name → Bool) fun (x : Lake.Name) => true) : Lean.CoreM (Option Lean.Expr)

Equations

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

def Lean.Meta.deltaExpand (e : Lean.Expr) (p : Lake.Name → Bool) : Lean.CoreM Lean.Expr

Low-level delta expansion. It is used to implement equation lemmas and elimination principles for recursive definitions.

Equations

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

def Lean.MVarId.deltaTarget (mvarId : Lean.MVarId) (p : Lake.Name → Bool) : Lean.MetaM Lean.MVarId

Delta expand declarations that satisfy p at mvarId type.

Equations

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

def Lean.MVarId.deltaLocalDecl (mvarId : Lean.MVarId) (fvarId : Lean.FVarId) (p : Lake.Name → Bool) : Lean.MetaM Lean.MVarId

Delta expand declarations that satisfy p at fvarId type.

Equations

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