| cmp | Package cmp provides types and functions related to comparing ordered values. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| golang.org/x/exp/constraints | Package constraints defines a set of useful constraints to be used with type parameters. |
| honnef.co/go/tools/go/ir | Package ir defines a representation of the elements of Go programs (packages, types, functions, variables and constants) using a static single-information (SSI) form intermediate representation (IR) for the bodies of functions. |
| log | Package log implements a simple logging package. |
| math/bits | Package bits implements bit counting and manipulation functions for the predeclared unsigned integer types. |
| slices | Package slices defines various functions useful with slices of any type. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |