Function isOptionalShapeSpecifier

isOptionalShapeSpecifier(
maybeSpecifier: unknown,
): maybeSpecifier is ShapeOptional<unknown>
Checks if the input is a optional shape specifier for internal type guarding purposes.
Parameters
- maybeSpecifier: unknown
Returns maybeSpecifier is ShapeOptional<unknown>
- Defined in src/define-shape/shape-specifiers.ts:549