| Path | Synopsis | 
|---|---|
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. | 
| golang.org/x/tools/godoc/vfs | Package vfs defines types for abstract file system access and provides an implementation accessing the file system of the underlying OS. | 
| io | Package io provides basic interfaces to I/O primitives. | 
| net/http | Package http provides HTTP client and server implementations. | 
| os | Package os provides a platform-independent interface to operating system functionality. |