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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-38821.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-38821.rs b/src/test/ui/issues/issue-38821.rs new file mode 100644 index 000000000..6753860e9 --- /dev/null +++ b/src/test/ui/issues/issue-38821.rs @@ -0,0 +1,33 @@ +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() {} |