# Error code E0262

An invalid name was used for a lifetime parameter.

Erroneous code example:

    #![allow(unused)]
    fn main() {
    // error, invalid lifetime parameter name `'static`
    fn foo<'static>(x: &'static str) { }
    }

Declaring certain lifetime names in parameters is disallowed. For example, because the `'static` lifetime is a special built-in lifetime name denoting the lifetime of the entire program, this is an error: