dotenv, parsing fix email, moved dump tracnsport to new file gz, removed unwanted var jwt, added in HS256 sign/parse

ptr, ref and deref funcs response, use fmt.Fprint(f) validate, few new funcs

ptr/ptr.go

@@ -7,15 +7,24 @@ package ptr
 
 import "strings"
 
+func Ref[T string | bool | Num](v T) *T {
+	return &v
+}
+
+func Deref[T any](v *T) T {
+	if v == nil {
+		var a T
+		return a
+	}
+	return *v
+}
+
 func Bool(v bool) *bool {
 	return &v
 }
 
 func GetBool(v *bool) bool {
-	if v == nil {
-		return false
-	}
-	return *v
+	return Deref(v)
 }
 
 func Str(v string) *string {
@@ -23,10 +32,7 @@ func Str(v string) *string {
 }
 
 func GetStr(v *string) string {
-	if v == nil {
-		return ""
-	}
-	return *v
+	return Deref(v)
 }
 
 func StrTrim(v *string) *string {
@@ -38,17 +44,14 @@ func StrTrim(v *string) *string {
 	return v
 }
 
-type N interface {
+type Num interface {
 	uint8 | int8 | uint16 | int16 | uint32 | int32 | uint64 | int64 | uint | int | float32 | float64
 }
 
-func Number[T N](v T) *T {
+func Number[T Num](v T) *T {
 	return &v
 }
 
-func GetNumber[T N](v *T) T {
-	if v == nil {
-		return 0
-	}
-	return *v
+func GetNumber[T Num](v *T) T {
+	return Deref(v)
 }