2015-01-08 05:02:42 -06:00
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pub fn foo(params: Option<&[&str]>) -> usize {
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2015-01-02 01:53:35 -06:00
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params.unwrap().first().unwrap().len()
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2014-09-11 17:54:44 -05:00
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}
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fn main() {
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let name = "Foo";
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2015-02-01 20:53:25 -06:00
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let x = Some(&[name]);
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2015-01-08 10:39:17 -06:00
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let msg = foo(x);
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2019-09-06 13:21:26 -05:00
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//~^ ERROR mismatched types
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2019-11-13 16:16:56 -06:00
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//~| expected enum `std::option::Option<&[&str]>`
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//~| found enum `std::option::Option<&[&str; 1]>`
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2019-11-15 01:45:30 -06:00
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//~| expected slice `[&str]`, found array `[&str; 1]`
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2014-09-11 17:54:44 -05:00
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assert_eq!(msg, 3);
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}
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