NewBufferedLangos wraps a new Langos with BufferedReadSeeker and returns it.

NewBufferedReadSeeker creates a new instance of BufferedReadSeeker, out of io.ReadSeeker.

NewLangos bakes a new yummy langos that peeks on provided reader when its Read method is called.

BufferedReadSeeker wraps bufio.Reader to expose Seek method from the provided io.ReadSeeker in NewBufferedReadSeeker.

Langos is a reader with a lookahead peekBuffer this is the most naive implementation of a lookahead peekBuffer it should issue a lookahead Read when a Read is called, hence the name - langos |--->====>>------------| cur topmost the first read is not a lookahead but the rest are so, it could be that a lookahead read might need to wait for a previous read to finish due to resource pooling All Read and Seek method call must be synchronous.

Reader contains all methods that Langos needs to read data from.