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Make Send a supertrait of TryMapRow, MapRow

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Map<'q, DB, F, A> where F: !Send was useless and these traits are only
used as part of Map. This might improve error messages.
This commit is contained in:
Jonas Platte 2020-09-30 18:23:54 +02:00 committed by Ryan Leckey
parent a46d7f8fdf
commit 4ad4a42edd
1 changed files with 4 additions and 4 deletions
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8
sqlx-core/src/query.rs
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@ -356,13 +356,13 @@ where
//
// See https://github.com/rust-lang/rust/issues/62529
pub trait TryMapRow<DB: Database> {
pub trait TryMapRow<DB: Database>: Send {
type Output: Unpin;
fn try_map_row(&mut self, row: DB::Row) -> Result<Self::Output, Error>;
}
pub trait MapRow<DB: Database> {
pub trait MapRow<DB: Database>: Send {
type Output: Unpin;
fn map_row(&mut self, row: DB::Row) -> Self::Output;
@ -449,7 +449,7 @@ macro_rules! impl_map_row {
($DB:ident, $R:ident) => {
impl<O: Unpin, F> crate::query::MapRow<$DB> for F
where
F: FnMut($R) -> O,
F: Send + FnMut($R) -> O,
{
type Output = O;
@ -460,7 +460,7 @@ macro_rules! impl_map_row {
impl<O: Unpin, F> crate::query::TryMapRow<$DB> for F
where
F: FnMut($R) -> Result<O, crate::error::Error>,
F: Send + FnMut($R) -> Result<O, crate::error::Error>,
{
type Output = O;