| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/pressly/chi/_examples/versions/data | |
| github.com/pressly/chi/render | |
| log | Package log implements a simple logging package. |
| math/rand | Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work. |
| net/http | Package http provides HTTP client and server implementations. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| time | Package time provides functionality for measuring and displaying time. |