pkg bufio, func NewReader(io.Reader) *Reader
pkg bufio, func NewReaderSize(io.Reader, int) *Reader
pkg bufio, func NewWriter(io.Writer) *Writer
pkg bufio, func NewWriterSize(io.Writer, int) *Writer
pkg bufio, method (*Reader) Buffered() int
pkg bufio, method (*Reader) Peek(int) ([]uint8, error)
pkg bufio, method (*Reader) Read([]uint8) (int, error)
pkg bufio, method (*Reader) ReadByte() (uint8, error)

pkg encoding/binary, const MaxVarintLen16 = 3
pkg encoding/binary, const MaxVarintLen32 = 5
pkg encoding/binary, const MaxVarintLen64 = 10
pkg encoding/csv, method (*Writer) Error() error
pkg encoding/json, method (*Decoder) Buffered() io.Reader
pkg encoding/json, method (*Decoder) UseNumber()
pkg encoding/json, method (Number) Float64() (float64, error)
pkg encoding/json, method (Number) Int64() (int64, error)