test::zst
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21
src/test.rs
21
src/test.rs
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@ -7,7 +7,7 @@ trait DebugExt: Debug {
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}
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}
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impl<T: Debug> DebugExt for T {}
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impl<T: Debug + ?Sized> DebugExt for T {}
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#[test]
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fn basic_push() {
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@ -121,3 +121,22 @@ fn iteration() {
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}
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assert_eq!(debugs, ["1", "\"foo\"", "true"]);
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}
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#[test]
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fn zst() {
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let vec: Vec<()> = vec![(), (), ()];
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assert_eq!(vec[1], ());
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for el in vec.iter() {
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drop(el);
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}
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assert_eq!(vec.debug(), "[(), (), ()]");
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let vec: Vec<dyn Debug> = vec![unsized: (), (), ()];
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assert_eq!(vec[1].debug(), "()");
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for el in vec.iter() {
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drop(el);
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}
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assert_eq!(vec.debug(), "[(), (), ()]");
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}
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