itsscb/sqlx
1
0
Fork 0
mirror of https://github.com/launchbadge/sqlx.git synced 2025-10-03 07:45:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add DecodeOwned to help with trait bounds on owned data

Browse Source
This commit is contained in:
Ryan Leckey 2020-03-20 19:54:44 -07:00
parent f562e919b7
commit 24d62dd464
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
sqlx-core/src/decode.rs
View File

@ -1,8 +1,8 @@
//! Types and traits for decoding values from the database. //! Types and traits for decoding values from the database.
use crate::database::HasRawValue; use crate::database::{Database, HasRawValue};
/// Decode a single value from the database. /// A type that can be decoded from the database.
pub trait Decode<'de, DB> pub trait Decode<'de, DB>
where where
Self: Sized + 'de, Self: Sized + 'de,
@ -10,3 +10,14 @@ where
{ {
fn decode(value: DB::RawValue) -> crate::Result<Self>; fn decode(value: DB::RawValue) -> crate::Result<Self>;
} }
/// A type that can be decoded without borrowing from the connection.
pub trait DecodeOwned<DB: Database>: for<'de> Decode<'de, DB> {}
impl<DB, T> DecodeOwned<DB> for T
where
DB: Database,
T: 'static,
T: for<'de> Decode<'de, DB>,
{
}