Function validate_and_clean_state 

pub fn validate_and_clean_state<T>(
    state_data: &mut HashMap<String, T>,
    validator: impl Fn(&T) -> bool,
)

Validates and cleans up state data by removing entries that don’t pass validation.

Arguments

• state_data - The state data to validate and clean
• validator - Function that returns true for valid entries

Type Parameters

• T - The type of values in the state map

Behavior

• Retains only entries where validator returns true
• In-place modification of the HashMap