| internal/abi | |
| internal/stringslite | Package stringslite implements a subset of strings, only using packages that may be imported by "os". |
| internal/sync | Package sync provides basic synchronization primitives such as mutual exclusion locks to internal packages (including ones that depend on sync). |
| runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| unsafe | Package unsafe contains operations that step around the type safety of Go programs. |
| weak | Package weak provides ways to safely reference memory weakly, that is, without preventing its reclamation. |