Go Package fmt

External

• https://golang.org/pkg/fmt

Internal

• Standard Library

Functions

fmt.Printf(), fmt.Println()

Printing to stdout and stderr

fmt.Scanf(), fmt.Scanln()

Handling stdin in Go

fmt.Errorf()

• fmt.Errorf()

Errorf formats according to a format specifier and returns the string as a value that satisfies error. For more on error handling see error handling.