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Match on fixed-length vec gives wrong error message #13176

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jruderman opened this issue Mar 28, 2014 · 2 comments
Closed

Match on fixed-length vec gives wrong error message #13176

jruderman opened this issue Mar 28, 2014 · 2 comments

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@jruderman
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let f = &[99]; println!("{:?}", match [1,2,3,4] { [x, ..xs] => (x, xs), [] => (9, f) });

Says

vectors of length 4 not covered

Should say

pattern [] is unreachable
@ghost
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ghost commented Jun 2, 2014

Duplicate of #13482.

@alexcrichton
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Looks like it, thanks!

flip1995 pushed a commit to flip1995/rust that referenced this issue Aug 8, 2024
@bors
Auto merge of rust-lang#13176 - shenyifu:master, r=Manishearth
f7db895 
Fix fix under loop may dropping loop label when applying fix.

changelog: [`explicit_counter_loop`]: fix label drop
changelog: [`for_kv_map`]: add label drop test
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@alexcrichton @jruderman @huonw