| cmp | Package cmp provides types and functions related to comparing ordered values. |
| errors | Package errors implements functions to manipulate errors. |
| internal/bytealg | |
| internal/byteorder | Package byteorder provides functions for decoding and encoding little and big endian integer types from/to byte slices. |
| math | Package math provides basic constants and mathematical functions. |
| math/bits | Package bits implements bit counting and manipulation functions for the predeclared unsigned integer types. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| unique | The unique package provides facilities for canonicalizing ("interning") comparable values. |