20 lines
668 B
Rust
20 lines
668 B
Rust
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//@ check-pass
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#![warn(unused_imports)]
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use std::option::Option::Some;//~ WARNING the item `Some` is imported redundantly
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use std::option::Option::None; //~ WARNING the item `None` is imported redundantly
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use std::result::Result::Ok;//~ WARNING the item `Ok` is imported redundantly
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use std::result::Result::Err;//~ WARNING the item `Err` is imported redundantly
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use std::convert::{TryFrom, TryInto};
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fn main() {
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let _a: Option<i32> = Some(1);
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let _b: Option<i32> = None;
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let _c: Result<i32, String> = Ok(1);
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let _d: Result<i32, &str> = Err("error");
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let _e: Result<i32, _> = 8u8.try_into();
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let _f: Result<i32, _> = i32::try_from(8u8);
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}
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