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// Copyright 2020-2021 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0
use std::{cmp::Eq, ops::Deref};
#[derive(Clone)]
pub struct VecSet<T> {
items: Vec<T>,
}
impl<T> Default for VecSet<T> {
fn default() -> Self {
Self { items: Vec::default() }
}
}
impl<T> VecSet<T> {
pub fn insert(&mut self, item: T) -> bool
where
T: Eq,
{
if self.items.contains(&item) {
false
} else {
self.items.push(item);
true
}
}
}
impl<T> Deref for VecSet<T> {
type Target = [T];
fn deref(&self) -> &Self::Target {
&self.items
}
}