sqlx_core/pool/
maybe.rs

1use crate::database::Database;
2use crate::pool::PoolConnection;
3use std::ops::{Deref, DerefMut};
4
5pub enum MaybePoolConnection<'c, DB: Database> {
6    #[allow(dead_code)]
7    Connection(&'c mut DB::Connection),
8    PoolConnection(PoolConnection<DB>),
9}
10
11impl<'c, DB: Database> Deref for MaybePoolConnection<'c, DB> {
12    type Target = DB::Connection;
13
14    #[inline]
15    fn deref(&self) -> &Self::Target {
16        match self {
17            MaybePoolConnection::Connection(v) => v,
18            MaybePoolConnection::PoolConnection(v) => v,
19        }
20    }
21}
22
23impl<'c, DB: Database> DerefMut for MaybePoolConnection<'c, DB> {
24    #[inline]
25    fn deref_mut(&mut self) -> &mut Self::Target {
26        match self {
27            MaybePoolConnection::Connection(v) => v,
28            MaybePoolConnection::PoolConnection(v) => v,
29        }
30    }
31}
32
33impl<'c, DB: Database> From<PoolConnection<DB>> for MaybePoolConnection<'c, DB> {
34    fn from(v: PoolConnection<DB>) -> Self {
35        MaybePoolConnection::PoolConnection(v)
36    }
37}
38
39impl<'c, DB: Database> From<&'c mut DB::Connection> for MaybePoolConnection<'c, DB> {
40    fn from(v: &'c mut DB::Connection) -> Self {
41        MaybePoolConnection::Connection(v)
42    }
43}
sqlx_core/pool/maybe.rs

sqlx_core/pool/
maybe.rs
