gotools/gopls/internal/server/rename.go

func (s *server) Rename(ctx context.Context, params *protocol.RenameParams) (*protocol.WorkspaceEdit, error) { … }

// PrepareRename implements the textDocument/prepareRename handler. It may
// return (nil, nil) if there is no rename at the cursor position, but it is
// not desirable to display an error to the user.
//
// TODO(rfindley): why wouldn't we want to show an error to the user, if the
// user initiated a rename request at the cursor?
func (s *server) PrepareRename(ctx context.Context, params *protocol.PrepareRenameParams) (*protocol.PrepareRenamePlaceholder, error) { … }