use std::sync::Mutex;
use once_cell::sync::Lazy;
use crate::schema::ExecutionNode;
pub struct Session {
pub nodes:Vec<ExecutionNode>,
pub counter:u32
}
pub static SESSION:Lazy<Mutex<Session>>=
Lazy::new(||{
Mutex::new(
Session{
nodes:vec![],
counter:0
}
)
});