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hide and comment on the existence of TyCons[Ext]

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Austin Bonander 2019-11-06 19:45:16 -08:00 committed by Austin Bonander
parent 0e137e107a
commit c993e4eee0
1 changed files with 5 additions and 1 deletions
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6
src/lib.rs
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@ -65,8 +65,11 @@ pub use uuid::Uuid;
use std::marker::PhantomData;
pub type Param<T> = PhantomData<T>;
// These types allow the `sqlx_macros::sql!()` macro to polymorphically compare a
// given parameter's type to an expected parameter type even if the former
// is behind a reference or in `Option`
#[doc(hidden)]
pub struct TyCons<T>(PhantomData<T>);
impl<T> TyCons<T> {
@ -75,6 +78,7 @@ impl<T> TyCons<T> {
}
}
#[doc(hidden)]
pub trait TyConsExt: Sized {
type Cons;
fn ty_cons(self) -> Self::Cons {