Eliminate stub warnings#497
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coriolinus merged 17 commits intoexercism:masterfrom Apr 8, 2018
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petertseng
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petertseng
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| pub fn sing(start: i32, end: i32) -> String { | ||
| unimplemented!() | ||
| unimplemented!("sing verses {} to {}", start, end) |
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could specify whether end is inclusive
| @@ -1,3 +1,3 @@ | |||
| pub fn reply(message: &str) -> &str { | |||
| unimplemented!() | |||
| unimplemented!("have bob reply to the incoming message: {}", message) | |||
Two notes for this one:
1. We use PhantomData<T> instead of a bare reference to T so that
even if the student fails to remove it, things still work.
2. Because the element in push is generic over T, which is not bounded
by Debug, we can't emit it in an unimplemented! statement.
We therefore fall back on underscore prefixing.
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petertseng
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Closes #484
Includes
_test/check-stubs.sh, which discovers any compilation errors in the stubs.Eliminates all stub warnings, not just unused variables.
simple-linked-list uses generics which are not bounded by
Debug, so we can't use the standard "print it inunimplemented!()trick there. We fall back on underscore-prefixing affected variables in this case.