2015-01-08 11:02:42 +00:00
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pub fn foo(params: Option<&[&str]>) -> usize {
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2015-01-02 07:53:35 +00:00
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params.unwrap().first().unwrap().len()
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2014-09-11 22:54:44 +00:00
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}
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fn main() {
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let name = "Foo";
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2015-02-02 02:53:25 +00:00
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let x = Some(&[name]);
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2015-01-08 16:39:17 +00:00
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let msg = foo(x);
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2019-09-06 18:21:26 +00:00
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//~^ ERROR mismatched types
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2020-09-02 07:40:56 +00:00
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//~| expected enum `Option<&[&str]>`
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//~| found enum `Option<&[&str; 1]>`
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2023-01-03 02:00:33 +00:00
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//~| expected `Option<&[&str]>`, found `Option<&[&str; 1]>`
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2014-09-11 22:54:44 +00:00
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assert_eq!(msg, 3);
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}
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