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Use `splice` to avoid shifting the other items twice. Put `extern crate std;` first so it's already resolved when we resolve `::std::prelude::rust_20XX`.
20 lines
324 B
Plaintext
20 lines
324 B
Plaintext
#[attr = MacroUse {arguments: UseAll}]
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extern crate std;
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#[prelude_import]
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use ::std::prelude::rust_2015::*;
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//@ compile-flags: -Zunpretty=hir
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//@ check-pass
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//@ edition: 2015
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fn foo(x:
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Option<u32>) {
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let Some(_) = x else
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{
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{ ::std::rt::begin_panic("explicit panic") }
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};
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}
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fn main() { }
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