}
}

// methodIndex returns the index of the method with the given name.
// If foldCase is set, capitalization in the name is ignored.
// The result is negative if no such method exists.
func (t *Named) methodIndex(name string, foldCase bool) int {
	if name == "_" {
		return -1
	}
	if foldCase {
		for i, m := range t.methods {
			if strings.EqualFold(m.name, name) {
				return i
			}
		}

	}
}

// methodIndex returns the index of the method with the given name.
// If foldCase is set, capitalization in the name is ignored.
// The result is negative if no such method exists.
func (t *Named) methodIndex(name string, foldCase bool) int {
	if name == "_" {
		return -1
	}
	if foldCase {
		for i, m := range t.methods {
			if strings.EqualFold(m.name, name) {
				return i
			}
		}

	setParent(*Scope)

	// sameId reports whether obj.Id() and Id(pkg, name) are the same.
	// If foldCase is true, names are considered equal if they are equal with case folding
	// and their packages are ignored (e.g., pkg1.m, pkg1.M, pkg2.m, and pkg2.M are all equal).
	sameId(pkg *Package, name string, foldCase bool) bool

	// scopePos returns the start position of the scope of this Object
	scopePos() syntax.Pos

	setParent(*Scope)

	// sameId reports whether obj.Id() and Id(pkg, name) are the same.
	// If foldCase is true, names are considered equal if they are equal with case folding
	// and their packages are ignored (e.g., pkg1.m, pkg1.M, pkg2.m, and pkg2.M are all equal).
	sameId(pkg *Package, name string, foldCase bool) bool

	// scopePos returns the start position of the scope of this Object
	scopePos() token.Pos

// LookupMethod returns the index of and method with matching package and name, or (-1, nil).
func (s *_TypeSet) LookupMethod(pkg *Package, name string, foldCase bool) (int, *Func) {
	return methodIndex(s.methods, pkg, name, foldCase)
}

func (s *_TypeSet) String() string {
	switch {
	case s.IsEmpty():
		return "∅"
	case s.IsAll():
		return "𝓤"
	}

	hasMethods := len(s.methods) > 0

// LookupMethod returns the index of and method with matching package and name, or (-1, nil).
func (s *_TypeSet) LookupMethod(pkg *Package, name string, foldCase bool) (int, *Func) {
	return methodIndex(s.methods, pkg, name, foldCase)
}

func (s *_TypeSet) String() string {
	switch {
	case s.IsEmpty():
		return "∅"
	case s.IsAll():
		return "𝓤"
	}

	hasMethods := len(s.methods) > 0

//
// varp > sp means that the function has a frame;
// varp == sp means frameless function.

type adjustinfo struct {
	old   stack
	delta uintptr // ptr distance from old to new stack (newbase - oldbase)

	// sghi is the highest sudog.elem on the stack.
	sghi uintptr
}

// adjustpointer checks whether *vpp is in the old stack described by adjinfo.
// If so, it rewrites *vpp to point into the new stack.