add uint/uint8/uint16/uint32/uint64

cvt.go

@@ -12,3 +12,68 @@ func Bool(v interface{}, def ...bool) bool {
 
 	return false
 }
+
+// Uint64 convert an interface to a uint64 type, with default value
+func Uint64(v interface{}, def ...uint64) uint64 {
+	if v, err := Uint64E(v); err == nil {
+		return v
+	}
+
+	if len(def) > 0 {
+		return def[0]
+	}
+
+	return 0
+}
+
+// Uint32 convert an interface to a uint32 type, with default value
+func Uint32(v interface{}, def ...uint32) uint32 {
+	if v, err := Uint32E(v); err == nil {
+		return v
+	}
+
+	if len(def) > 0 {
+		return def[0]
+	}
+
+	return 0
+}
+
+// Uint16 convert an interface to a uint16 type, with default value
+func Uint16(v interface{}, def ...uint16) uint16 {
+	if v, err := Uint16E(v); err == nil {
+		return v
+	}
+
+	if len(def) > 0 {
+		return def[0]
+	}
+
+	return 0
+}
+
+// Uint8 convert an interface to a uint8 type, with default value
+func Uint8(v interface{}, def ...uint8) uint8 {
+	if v, err := Uint8E(v); err == nil {
+		return v
+	}
+
+	if len(def) > 0 {
+		return def[0]
+	}
+
+	return 0
+}
+
+// Uint convert an interface to a uint type, with default value
+func Uint(v interface{}, def ...uint) uint {
+	if v, err := UintE(v); err == nil {
+		return v
+	}
+
+	if len(def) > 0 {
+		return def[0]
+	}
+
+	return 0
+}