Fix issue with interface selection in serialization (#285)

tl/tt/bool.go

@@ -16,7 +16,7 @@ func NewBool(v bool) Bool {
 	return Bool{Valid: true, Val: v}
 }
 
-func (r *Bool) String() string {
+func (r Bool) String() string {
 	return ""
 }
 
@@ -67,7 +67,7 @@ func (r *Bool) UnmarshalJSON(v []byte) error {
 	return r.Scan(string(stripQuotes(v)))
 }
 
-func (r *Bool) MarshalJSON() ([]byte, error) {
+func (r Bool) MarshalJSON() ([]byte, error) {
 	if !r.Valid {
 		return jsonNull(), nil
 	}

tl/tt/date.go

@@ -24,19 +24,19 @@ func NewDate(v time.Time) Date {
 	return Date{Valid: true, Val: v}
 }
 
-func (r *Date) IsZero() bool {
+func (r Date) IsZero() bool {
 	return !r.Valid
 }
 
-func (r *Date) Before(other Date) bool {
+func (r Date) Before(other Date) bool {
 	return r.Val.Before(other.Val)
 }
 
-func (r *Date) After(other Date) bool {
+func (r Date) After(other Date) bool {
 	return r.Val.After(other.Val)
 }
 
-func (r *Date) String() string {
+func (r Date) String() string {
 	if !r.Valid {
 		return ""
 	}

tl/tt/float.go

@@ -49,7 +49,7 @@ func (r *Float) Scan(src interface{}) error {
 	return err
 }
 
-func (r *Float) String() string {
+func (r Float) String() string {
 	if r.Val > -100_000 && r.Val < 100_000 {
 		return fmt.Sprintf("%g", r.Val)
 	}

tl/tt/int.go

@@ -10,6 +10,6 @@ func NewInt(v int) Int {
 }
 
 // Int is a convenience function for int(v)
-func (r *Int) Int() int {
+func (r Int) Int() int {
 	return int(r.Val)
 }

tl/tt/key.go

@@ -11,7 +11,7 @@ func NewKey(v string) Key {
 	return Key{Option[string]{Valid: true, Val: v}}
 }
 
-func (r *Key) Int() int {
+func (r Key) Int() int {
 	a, _ := strconv.Atoi(r.Val)
 	return a
 }

tl/tt/tags.go

@@ -14,7 +14,7 @@ type Tags struct {
 }
 
 // Keys return the tag keys
-func (r *Tags) Keys() []string {
+func (r Tags) Keys() []string {
 	var ret []string
 	for k := range r.tags {
 		ret = append(ret, k)
@@ -31,7 +31,7 @@ func (r *Tags) Set(k, v string) {
 }
 
 // Get a tag value by key
-func (r *Tags) Get(k string) (string, bool) {
+func (r Tags) Get(k string) (string, bool) {
 	if r.tags == nil {
 		return "", false
 	}

tl/tt/time.go

@@ -19,11 +19,11 @@ func NewTime(v time.Time) Time {
 }
 
 // IsZero returns if this is a zero value.
-func (r *Time) IsZero() bool {
+func (r Time) IsZero() bool {
 	return !r.Valid
 }
 
-func (r *Time) String() string {
+func (r Time) String() string {
 	if !r.Valid {
 		return ""
 	}

tl/tt/widetime.go

@@ -28,7 +28,7 @@ func NewWideTimeFromSeconds(value int) WideTime {
 	return wt
 }
 
-func (wt *WideTime) String() string {
+func (wt WideTime) String() string {
 	if !wt.Valid {
 		return ""
 	}
@@ -42,7 +42,7 @@ func (wt WideTime) Value() (driver.Value, error) {
 	return int64(wt.Seconds), nil
 }
 
-func (wt *WideTime) ToCsv() string {
+func (wt WideTime) ToCsv() string {
 	return wt.String()
 }