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use std::collections::{ VecDeque, HashMap, };
pub mod numberic;
pub mod ustring;
pub mod statement;
pub mod expression;
pub mod function;
pub mod class;
pub mod pattern;
pub mod jsx;
#[derive(Debug)]
pub enum Either<L, R> {
Left(L),
Right(R),
}
impl<L, R> Either<L, R> {
pub fn is_left(&self) -> bool {
match *self {
Either::Left(_) => true,
_ => false,
}
}
pub fn is_right(&self) -> bool {
match *self {
Either::Right(_) => true,
_ => false,
}
}
pub fn left(&self) -> Option<&L> {
match self {
Either::Left(v) => Some(v),
_ => None,
}
}
pub fn right(&self) -> Option<&R> {
match self {
Either::Right(v) => Some(v),
_ => None,
}
}
}