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/fs | Package fs defines basic interfaces to a file system. |
maps | Package maps defines various functions useful with maps of any type. |
path | Package path implements utility routines for manipulating slash-separated paths. |
slices | Package slices defines various functions useful with slices of any type. |
strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
testing/iotest | Package iotest implements Readers and Writers useful mainly for testing. |
time | Package time provides functionality for measuring and displaying time. |