more validators

mod.ts

@@ -8,4 +8,8 @@ export {
 } from "./Validator.ts";
 export { isString } from "./validators/string.ts";
 export { isNumber, isInteger } from "./validators/number.ts";
+export { isArray } from "./validators/array.ts";
 export { or } from "./validators/logic.ts";
+export { isRequired, isDefined, isNotEmpty } from "./validators/empty.ts";
+export { isSymbol } from "./validators/symbol.ts";
+export { isBoolean } from "./validators/boolean.ts";