bytes | Package bytes implements functions for the manipulation of byte slices. |
encoding/binary | Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints. |
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. |
io/ioutil | Package ioutil implements some I/O utility functions. |
math/rand | Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work. |
net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
os | Package os provides a platform-independent interface to operating system functionality. |
os/exec | Package exec runs external commands. |
runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |
strconv | Package strconv implements conversions to and from string representations of basic data types. |
strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
syscall | Package syscall contains an interface to the low-level operating system primitives. |
testing | Package testing provides support for automated testing of Go packages. |
time | Package time provides functionality for measuring and displaying time. |