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error[E0005]: refutable pattern in `for` loop binding: `None` not covered
--> $DIR/E0297.rs:4:9
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LL | for Some(x) in xs {}
| ^^^^^^^ pattern `None` not covered
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note: `Option<i32>` defined here
--> $SRC_DIR/core/src/option.rs:LL:COL
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LL | / pub enum Option<T> {
LL | | /// No value.
LL | | #[lang = "None"]
LL | | #[stable(feature = "rust1", since = "1.0.0")]
LL | | None,
| | ^^^^ not covered
... |
LL | | Some(#[stable(feature = "rust1", since = "1.0.0")] T),
LL | | }
| |_-
= note: the matched value is of type `Option<i32>`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0005`.
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