github.com/marusama/d (go): package d provides quick and dirty debugging output for tired programmers.  d.D() is a fast way to pretty-print variables. It's easier than typing fmt.Printf("%#v", whatever). The output will be colorized and nicely formatted. The output goes to stdout or $OUT env var if defined.  d exports a single D() function. This is how you use it:
Keywords: debug|go|golang|print|spew|variable