json/option: Add helper Optional[T] type

go.mod

@@ -1,6 +1,6 @@
 module github.com/diamondburned/arikawa/v3
 
-go 1.16
+go 1.18
 
 require (
 	github.com/gorilla/schema v1.4.1

utils/json/option/option.go

@@ -4,3 +4,17 @@
 // To generate pointerrized primitives, there are helper functions NewT() for
 // each option type.
 package option
+
+// Optional wraps a type to make it omittable.
+type Optional[T any] *T
+
+// Some creates a new Optional with the value of the passed type.
+func Some[T any](v T) Optional[T] {
+	return &v
+}
+
+// PtrTo creates a pointer to the passed value.
+// It is like [Some], except it returns *T directly rather than Optional[T].
+func PtrTo[T any](v T) *T {
+	return &v
+}