bytes | Package bytes implements functions for the manipulation of byte slices. |
crypto/sha256 | Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-4. |
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. |
go/constant | Package constant implements Values representing untyped Go constants and their corresponding operations. |
go/token | Package token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates). |
io | Package io provides basic interfaces to I/O primitives. |
math/big | Package big implements arbitrary-precision arithmetic (big numbers). |
os | Package os provides a platform-independent interface to operating system functionality. |
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. |