77     fn read_u16(&self) -> (u16, &[u8]);  in read_u16()
78     fn read_u32(&self) -> (u32, &[u8]);  in read_u32()
79     fn read_u64(&self) -> (u64, &[u8]);  in read_u64()
80     fn read_u128(&self) -> (u128, &[u8]);  in read_u128()
81     fn read_u128x2(&self) -> ([u128; 2], &[u8]);  in read_u128x2()
82     fn read_u128x4(&self) -> ([u128; 4], &[u8]);  in read_u128x4()
91 impl ReadFromSlice for [u8] {  implementation
93     fn read_u16(&self) -> (u16, &[u8]) {  in read_u16()
99     fn read_u32(&self) -> (u32, &[u8]) {  in read_u32()
105     fn read_u64(&self) -> (u64, &[u8]) {  in read_u64()
111     fn read_u128(&self) -> (u128, &[u8]) {  in read_u128()
117     fn read_u128x2(&self) -> ([u128; 2], &[u8]) {  in read_u128x2()
123     fn read_u128x4(&self) -> ([u128; 4], &[u8]) {  in read_u128x4()