Method Fill

fs/features.go:294–370

Fill fills in the function pointers in the Features struct from the optional interfaces. It returns the original updated Features struct passed in.

(ctx context.Context, f Fs)

// optional interfaces.  It returns the original updated Features
// struct passed in.
func (ft *Features) Fill(ctx context.Context, f Fs) *Features {
	if do, ok := f.(Purger); ok {
		ft.Purge = do.Purge
	}
	if do, ok := f.(Copier); ok {
		ft.Copy = do.Copy
	}
	if do, ok := f.(Mover); ok {
		ft.Move = do.Move
	}
	if do, ok := f.(DirMover); ok {
		ft.DirMove = do.DirMove
	}
	if do, ok := f.(MkdirMetadataer); ok {
		ft.MkdirMetadata = do.MkdirMetadata
	}
	if do, ok := f.(ChangeNotifier); ok {
		ft.ChangeNotify = do.ChangeNotify
	}
	if do, ok := f.(UnWrapper); ok {
		ft.UnWrap = do.UnWrap
	}
	if do, ok := f.(Wrapper); ok {
		ft.WrapFs = do.WrapFs
		ft.SetWrapper = do.SetWrapper
		ft.Overlay = true // if implement UnWrap then must be an Overlay
	}
	if do, ok := f.(DirCacheFlusher); ok {
		ft.DirCacheFlush = do.DirCacheFlush
	}
	if do, ok := f.(PublicLinker); ok {
		ft.PublicLink = do.PublicLink
	}
	if do, ok := f.(PutUncheckeder); ok {
		ft.PutUnchecked = do.PutUnchecked
	}
	if do, ok := f.(PutStreamer); ok {
		ft.PutStream = do.PutStream
	}
	if do, ok := f.(MergeDirser); ok {
		ft.MergeDirs = do.MergeDirs
	}
	if do, ok := f.(DirSetModTimer); ok {
		ft.DirSetModTime = do.DirSetModTime
	}
	if do, ok := f.(CleanUpper); ok {
		ft.CleanUp = do.CleanUp
	}
	if do, ok := f.(ListRer); ok {
		ft.ListR = do.ListR
	}
	if do, ok := f.(ListPer); ok {
		ft.ListP = do.ListP
	}
	if do, ok := f.(Abouter); ok {
		ft.About = do.About
	}
	if do, ok := f.(OpenWriterAter); ok {