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16 lines
646 B
Plaintext
16 lines
646 B
Plaintext
error[E0053]: method `next` has an incompatible type for trait
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--> $DIR/issue-21332.rs:5:27
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LL | fn next(&mut self) -> Result<i32, i32> { Ok(7) }
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| ^^^^^^^^^^^^^^^^
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| expected `Option<i32>`, found `Result<i32, i32>`
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| help: change the output type to match the trait: `Option<i32>`
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= note: expected signature `fn(&mut S) -> Option<i32>`
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found signature `fn(&mut S) -> Result<i32, i32>`
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0053`.
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