schemars/docs/examples/4-custom_settings.md

title	parent	nav_order	summary
Custom Schema Settings	Examples	4	Generating a schema using custom settings which changes how Option<T> is handled.

Custom Schema Settings

The gen module allows you to customise how schemas are generated. For example, the default behaviour for Option<T> is to include null in the schema's types, but we can instead add a nullable property to its schema:

{% include example.md name="custom_settings" %}