2018-07-15 16:11:54 -05:00
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error[E0053]: method `next` has an incompatible type for trait
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2018-12-25 09:56:47 -06:00
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--> $DIR/issue-21332.rs:5:5
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2018-07-15 16:11:54 -05:00
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LL | fn next(&mut self) -> Result<i32, i32> { Ok(7) }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found enum `std::result::Result`
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= note: expected type `fn(&mut S) -> std::option::Option<i32>`
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found type `fn(&mut S) -> std::result::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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