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90 lines
4.1 KiB
Plaintext
90 lines
4.1 KiB
Plaintext
error[E0106]: missing lifetime specifier
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--> $DIR/issue-26638.rs:1:62
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LL | fn parse_type(iter: Box<dyn Iterator<Item=&str>+'static>) -> &str { iter.next() }
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| ------------------------------------ ^ expected named lifetime parameter
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= help: this function's return type contains a borrowed value, but the signature does not say which one of `iter`'s 2 lifetimes it is borrowed from
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help: consider introducing a named lifetime parameter
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LL | fn parse_type<'a>(iter: Box<dyn Iterator<Item=&'a str>+'static>) -> &'a str { iter.next() }
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| ++++ ++ ++
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error[E0106]: missing lifetime specifier
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--> $DIR/issue-26638.rs:5:40
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LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &str { iter() }
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| ^ expected named lifetime parameter
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= help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
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help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`
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LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &'static str { iter() }
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| +++++++
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help: instead, you are more likely to want to change the argument to be borrowed...
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LL | fn parse_type_2(iter: &fn(&u8)->&u8) -> &str { iter() }
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| +
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help: ...or alternatively, you might want to return an owned value
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LL | fn parse_type_2(iter: fn(&u8)->&u8) -> String { iter() }
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| ~~~~~~
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error[E0106]: missing lifetime specifier
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--> $DIR/issue-26638.rs:10:22
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LL | fn parse_type_3() -> &str { unimplemented!() }
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| ^ expected named lifetime parameter
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= help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
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help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`
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LL | fn parse_type_3() -> &'static str { unimplemented!() }
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| +++++++
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help: instead, you are more likely to want to return an owned value
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LL | fn parse_type_3() -> String { unimplemented!() }
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| ~~~~~~
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error[E0308]: mismatched types
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--> $DIR/issue-26638.rs:1:69
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LL | fn parse_type(iter: Box<dyn Iterator<Item=&str>+'static>) -> &str { iter.next() }
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| ---- ^^^^^^^^^^^ expected `&str`, found `Option<&str>`
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| |
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| expected `&str` because of return type
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= note: expected reference `&str`
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found enum `Option<&str>`
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help: consider using `Option::expect` to unwrap the `Option<&str>` value, panicking if the value is an `Option::None`
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LL | fn parse_type(iter: Box<dyn Iterator<Item=&str>+'static>) -> &str { iter.next().expect("REASON") }
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| +++++++++++++++++
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error[E0061]: this function takes 1 argument but 0 arguments were supplied
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--> $DIR/issue-26638.rs:5:47
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LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &str { iter() }
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| ^^^^-- an argument of type `&u8` is missing
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help: provide the argument
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LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &str { iter(/* &u8 */) }
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| ~~~~~~~~~~~
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error[E0308]: mismatched types
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--> $DIR/issue-26638.rs:5:47
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LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &str { iter() }
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| ---- ^^^^^^ expected `&str`, found `&u8`
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| |
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| expected `&'static str` because of return type
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= note: expected reference `&'static str`
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found reference `&u8`
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error: aborting due to 6 previous errors
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Some errors have detailed explanations: E0061, E0106, E0308.
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For more information about an error, try `rustc --explain E0061`.
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