garage/src/util/crdt/bool.rs

35 lines
627 B
Rust
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use serde::{Deserialize, Serialize};
use crate::crdt::crdt::*;
/// Boolean, where `true` is an absorbing state
#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq)]
pub struct Bool(bool);
impl Bool {
/// Create a new boolean with the specified value
pub fn new(b: bool) -> Self {
Self(b)
}
/// Set the boolean to true
pub fn set(&mut self) {
self.0 = true;
}
/// Get the boolean value
pub fn get(&self) -> bool {
self.0
}
}
impl From<bool> for Bool {
fn from(b: bool) -> Bool {
Bool::new(b)
}
}
2021-05-02 21:13:08 +00:00
impl Crdt for Bool {
fn merge(&mut self, other: &Self) {
self.0 = self.0 || other.0;
}
}