summaryrefslogtreecommitdiffstats
path: root/src/test/ui/issues/issue-38821.rs
blob: 6753860e9ff80435e9c811bf1b9b0faeaa0b906b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
pub struct Nullable<T: NotNull>(T);

pub trait NotNull {}

pub trait IntoNullable {
    type Nullable;
}

impl<T: NotNull> IntoNullable for T {
    type Nullable = Nullable<T>;
}

impl<T: NotNull> IntoNullable for Nullable<T> {
    type Nullable = Nullable<T>;
}

pub trait Expression {
    type SqlType;
}

pub trait Column: Expression {}

#[derive(Debug, Copy, Clone)]
//~^ ERROR the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied
pub enum ColumnInsertValue<Col, Expr> where
    Col: Column,
    Expr: Expression<SqlType=<Col::SqlType as IntoNullable>::Nullable>,
{
    Expression(Col, Expr),
    Default(Col),
}

fn main() {}