Fix up minor things found by goreportcard.com

bool.go

@@ -53,7 +53,7 @@ func (f *FlagSet) BoolVar(p *bool, name string, value bool, usage string) {
 	f.BoolVarP(p, name, "", value, usage)
 }
 
-// Like BoolVar, but accepts a shorthand letter that can be used after a single dash.
+// BoolVarP is like BoolVar, but accepts a shorthand letter that can be used after a single dash.
 func (f *FlagSet) BoolVarP(p *bool, name, shorthand string, value bool, usage string) {
 	flag := f.VarPF(newBoolValue(value, p), name, shorthand, usage)
 	flag.NoOptDefVal = "true"
@@ -65,7 +65,7 @@ func BoolVar(p *bool, name string, value bool, usage string) {
 	BoolVarP(p, name, "", value, usage)
 }
 
-// Like BoolVar, but accepts a shorthand letter that can be used after a single dash.
+// BoolVarP is like BoolVar, but accepts a shorthand letter that can be used after a single dash.
 func BoolVarP(p *bool, name, shorthand string, value bool, usage string) {
 	flag := CommandLine.VarPF(newBoolValue(value, p), name, shorthand, usage)
 	flag.NoOptDefVal = "true"
@@ -77,7 +77,7 @@ func (f *FlagSet) Bool(name string, value bool, usage string) *bool {
 	return f.BoolP(name, "", value, usage)
 }
 
-// Like Bool, but accepts a shorthand letter that can be used after a single dash.
+// BoolP is like Bool, but accepts a shorthand letter that can be used after a single dash.
 func (f *FlagSet) BoolP(name, shorthand string, value bool, usage string) *bool {
 	p := new(bool)
 	f.BoolVarP(p, name, shorthand, value, usage)
@@ -90,7 +90,7 @@ func Bool(name string, value bool, usage string) *bool {
 	return BoolP(name, "", value, usage)
 }
 
-// Like Bool, but accepts a shorthand letter that can be used after a single dash.
+// BoolP is like Bool, but accepts a shorthand letter that can be used after a single dash.
 func BoolP(name, shorthand string, value bool, usage string) *bool {
 	b := CommandLine.BoolP(name, shorthand, value, usage)
 	return b

count.go

@@ -38,6 +38,7 @@ func countConv(sval string) (interface{}, error) {
 	return i, nil
 }
 
+// GetCount return the int value of a flag with the given name
 func (f *FlagSet) GetCount(name string) (int, error) {
 	val, err := f.getFlagType(name, "count", countConv)
 	if err != nil {
@@ -46,39 +47,51 @@ func (f *FlagSet) GetCount(name string) (int, error) {
 	return val.(int), nil
 }
 
+// CountVar defines a count flag with specified name, default value, and usage string.
+// The argument p points to an int variable in which to store the value of the flag.
+// A count flag will add 1 to its value evey time it is found on the command line
 func (f *FlagSet) CountVar(p *int, name string, usage string) {
 	f.CountVarP(p, name, "", usage)
 }
 
+// CountVarP is like CountVar only take a shorthand for the flag name.
 func (f *FlagSet) CountVarP(p *int, name, shorthand string, usage string) {
 	flag := f.VarPF(newCountValue(0, p), name, shorthand, usage)
 	flag.NoOptDefVal = "-1"
 }
 
+// CountVar like CountVar only the flag is placed on the CommandLine instead of a given flag set
 func CountVar(p *int, name string, usage string) {
 	CommandLine.CountVar(p, name, usage)
 }
 
+// CountVarP is like CountVar only take a shorthand for the flag name.
 func CountVarP(p *int, name, shorthand string, usage string) {
 	CommandLine.CountVarP(p, name, shorthand, usage)
 }
 
+// Count defines a count flag with specified name, default value, and usage string.
+// The return value is the address of an int variable that stores the value of the flag.
+// A count flag will add 1 to its value evey time it is found on the command line
 func (f *FlagSet) Count(name string, usage string) *int {
 	p := new(int)
 	f.CountVarP(p, name, "", usage)
 	return p
 }
 
+// CountP is like Count only takes a shorthand for the flag name.
 func (f *FlagSet) CountP(name, shorthand string, usage string) *int {
 	p := new(int)
 	f.CountVarP(p, name, shorthand, usage)
 	return p
 }
 
+// Count like Count only the flag is placed on the CommandLine isntead of a given flag set
 func Count(name string, usage string) *int {
 	return CommandLine.CountP(name, "", usage)
 }
 
+// CountP is like Count only takes a shorthand for the flag name.
 func CountP(name, shorthand string, usage string) *int {
 	return CommandLine.CountP(name, shorthand, usage)
 }

duration.go

@@ -43,7 +43,7 @@ func (f *FlagSet) DurationVar(p *time.Duration, name string, value time.Duration
 	f.VarP(newDurationValue(value, p), name, "", usage)
 }
 
-// Like DurationVar, but accepts a shorthand letter that can be used after a single dash.
+// DurationVarP is like DurationVar, but accepts a shorthand letter that can be used after a single dash.
 func (f *FlagSet) DurationVarP(p *time.Duration, name, shorthand string, value time.Duration, usage string) {
 	f.VarP(newDurationValue(value, p), name, shorthand, usage)
 }
@@ -54,7 +54,7 @@ func DurationVar(p *time.Duration, name string, value time.Duration, usage strin
 	CommandLine.VarP(newDurationValue(value, p), name, "", usage)
 }
 
-// Like DurationVar, but accepts a shorthand letter that can be used after a single dash.
+// DurationVarP is like DurationVar, but accepts a shorthand letter that can be used after a single dash.
 func DurationVarP(p *time.Duration, name, shorthand string, value time.Duration, usage string) {
 	CommandLine.VarP(newDurationValue(value, p), name, shorthand, usage)
 }
@@ -67,7 +67,7 @@ func (f *FlagSet) Duration(name string, value time.Duration, usage string) *time
 	return p
 }
 
-// Like Duration, but accepts a shorthand letter that can be used after a single dash.
+// DurationP is like Duration, but accepts a shorthand letter that can be used after a single dash.
 func (f *FlagSet) DurationP(name, shorthand string, value time.Duration, usage string) *time.Duration {
 	p := new(time.Duration)
 	f.DurationVarP(p, name, shorthand, value, usage)
@@ -80,7 +80,7 @@ func Duration(name string, value time.Duration, usage string) *time.Duration {
 	return CommandLine.DurationP(name, "", value, usage)
 }
 
-// Like Duration, but accepts a shorthand letter that can be used after a single dash.
+// DurationP is like Duration, but accepts a shorthand letter that can be used after a single dash.
 func DurationP(name, shorthand string, value time.Duration, usage string) *time.Duration {
 	return CommandLine.DurationP(name, shorthand, value, usage)
 }