Method RangeRead

internal/model/obj.go:47–47

for a non-seekable Stream, RangeRead supports peeking some data, and CacheFullAndWriter still works

(http_range.Range)

	SetExist(Obj)
	// for a non-seekable Stream, RangeRead supports peeking some data, and CacheFullAndWriter still works
	RangeRead(http_range.Range) (io.Reader, error)
	// for a non-seekable Stream, if Read is called, this function won't work.
	// caches the full Stream and writes it to writer (if provided, even if the stream is already cached).
	CacheFullAndWriter(up *UpdateProgress, writer io.Writer) (File, error)