Macro os_task_local 

macro_rules! os_task_local {
    ($($(#[$attr:meta])* $vis:vis static $name:ident: $t:ty = $init:expr;)*) => { ... };
}

Create new LocalKey(s)

Example

os_task_local! {
    static FOO: u32 = 0;
    static BAR: String = String::new();
}