Function lazy_static::initialize 
source · pub fn initialize<T: LazyStatic>(lazy: &T)Expand description
Takes a shared reference to a lazy static and initializes it if it has not been already.
This can be used to control the initialization point of a lazy static.
Example:
#[macro_use]
extern crate lazy_static;
lazy_static! {
    static ref BUFFER: Vec<u8> = (0..255).collect();
}
fn main() {
    lazy_static::initialize(&BUFFER);
    // ...
    work_with_initialized_data(&BUFFER);
}