Add docstrings to appease lint

Author: tomwilkie

mflag/flag.go

@@ -85,7 +85,6 @@ import (
 	"fmt"
 	"io"
 	"os"
-	"runtime"
 	"sort"
 	"strconv"
 	"strings"

mflagext/listvar.go

@@ -11,11 +11,13 @@ type listOpts struct {
 	hasBeenSet bool
 }
 
+// ListVar creates an mflag.Var for repeated flags.
 func ListVar(p *[]string, names []string, value []string, usage string) {
 	*p = value
 	mflag.Var(&listOpts{p, false}, names, usage)
 }
 
+// Set implements mflag.Var
 func (opts *listOpts) Set(value string) error {
 	if opts.hasBeenSet {
 		(*opts.value) = append((*opts.value), value)
@@ -26,6 +28,7 @@ func (opts *listOpts) Set(value string) error {
 	return nil
 }
 
+// String implements mflag.Var
 func (opts *listOpts) String() string {
 	return fmt.Sprintf("%v", []string(*opts.value))
 }