Function parse_clearable_value 

fn parse_clearable_value<'a, O, P: Parser<&'a str, O, ErrMode<ContextError>>>(
    keyword: &Keyword,
    value: &'a ClearableValue,
    parser: P,
) -> Result<Override<O>, BridgeError>

Ensures that a combination of Keyword and ClearableValue uses a ClearableValue::Single and parses the value as a specific type.

Errors

Returns an error if

• value cannot be parsed as a specific type,
• or value is a ClearableValue::Array.