| Path | Synopsis | 
|---|---|
| bytes | Package bytes implements functions for the manipulation of byte slices. | 
| errors | Package errors implements functions to manipulate errors. | 
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. | 
| io | Package io provides basic interfaces to I/O primitives. | 
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |