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23 lines
1.0 KiB
Plaintext
23 lines
1.0 KiB
Plaintext
error[E0277]: the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied
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--> $DIR/issue-38821.rs:23:17
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LL | #[derive(Debug, Copy, Clone)]
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| ^^^^ the trait `NotNull` is not implemented for `<Col as Expression>::SqlType`
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note: required for `<Col as Expression>::SqlType` to implement `IntoNullable`
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--> $DIR/issue-38821.rs:9:18
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LL | impl<T: NotNull> IntoNullable for T {
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| ------- ^^^^^^^^^^^^ ^
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| |
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| unsatisfied trait bound introduced here
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= note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: consider further restricting the associated type
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LL | Expr: Expression<SqlType=<Col::SqlType as IntoNullable>::Nullable>, <Col as Expression>::SqlType: NotNull,
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| +++++++++++++++++++++++++++++++++++++++
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0277`.
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