Type Alias CustomValidationHandler 

pub type CustomValidationHandler = Arc<dyn Fn(&Model) -> Result<(), String> + Send + Sync>;

Callback function for custom extension validation

This callback is invoked during model validation to allow custom validation rules for custom extensions.

Arguments

• model - The parsed 3MF model

Returns

• Ok(()) - Validation passed
• Err(error_message) - Validation failed with an error message

Aliased Type

pub struct CustomValidationHandler { /* private fields */ }