t / t4018 / golang-long-funcon commit diff-parseopt: convert --[src|dst]-prefix (31fba9d)
   1func RIGHT(aVeryVeryVeryLongVariableName AVeryVeryVeryLongType,
   2        anotherLongVariableName AnotherLongType) {
   3        a := 5
   4        b := ChangeMe
   5}