bytes | Package bytes implements functions for the manipulation of byte slices. |
encoding/base64 | Package base64 implements base64 encoding as specified by RFC 4648. |
encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
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. |
math/big | Package big implements arbitrary-precision arithmetic (big numbers). |
net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
net/mail | Package mail implements parsing of mail messages. |
net/url | Package url parses URLs and implements query escaping. |
os | Package os provides a platform-independent interface to operating system functionality. |
path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
regexp | Package regexp implements regular expression search. |
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. |
time | Package time provides functionality for measuring and displaying time. |
unicode/utf8 | Package utf8 implements functions and constants to support text encoded in UTF-8. |