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Make warning for having both #[main] and #[start] #18115

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klutzy opened this issue Oct 17, 2014 · 1 comment
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Make warning for having both #[main] and #[start] #18115

klutzy opened this issue Oct 17, 2014 · 1 comment

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@klutzy
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klutzy commented Oct 17, 2014

Since #[start] takes precedence over #[main], #[main] is ignored. This may lead to surprising result.
For example, if #[start] exists, rustc --test produces executable which just runs start function rather than test runner.

It would be good if rustc emits warning if there are too many start-related attributes.
@steveklabnik
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closing as dup of #11766

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@steveklabnik @klutzy