remove ginext/mongoext (no-dep lib)

langext/pointer.go

@@ -0,0 +1,36 @@
+package langext
+
+import (
+	"reflect"
+)
+
+func Ptr[T any](v T) *T {
+	return &v
+}
+
+func PtrInt32(v int32) *int32 {
+	return &v
+}
+
+func PtrInt64(v int64) *int64 {
+	return &v
+}
+
+func PtrFloat32(v float32) *float32 {
+	return &v
+}
+
+func PtrFloat64(v float64) *float64 {
+	return &v
+}
+
+func IsNil(i interface{}) bool {
+	if i == nil {
+		return true
+	}
+	switch reflect.TypeOf(i).Kind() {
+	case reflect.Ptr, reflect.Map, reflect.Array, reflect.Chan, reflect.Slice:
+		return reflect.ValueOf(i).IsNil()
+	}
+	return false
+}