godocc

$ go install github.com/inancgumus/godocc

$ which godocc

/Users/jpuyy/go/bin/godocc

# example

$ godocc fmt printf
package fmt // import “fmt”

func Printf(format string, a …any) (n int, err error)
Printf formats according to a format specifier and writes to standard
output. It returns the number of bytes written and any write error
encountered.