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84 lines
3.2 KiB
Text
84 lines
3.2 KiB
Text
error[E0261]: use of undeclared lifetime name `'short`
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--> $DIR/issue-107090.rs:4:9
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LL | Foo<'short, 'out, T>: Convert<'a, 'b>;
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| ^^^^^^ undeclared lifetime
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= note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
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help: consider making the bound lifetime-generic with a new `'short` lifetime
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LL | for<'short> Foo<'short, 'out, T>: Convert<'a, 'b>;
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| +++++++++++
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help: consider introducing lifetime `'short` here
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LL | struct Foo<'short, 'a, 'b, T>(PhantomData<(&'a (), &'b (), T)>)
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| +++++++
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error[E0261]: use of undeclared lifetime name `'out`
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--> $DIR/issue-107090.rs:4:17
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LL | Foo<'short, 'out, T>: Convert<'a, 'b>;
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| ^^^^ undeclared lifetime
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help: consider making the bound lifetime-generic with a new `'out` lifetime
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LL | for<'out> Foo<'short, 'out, T>: Convert<'a, 'b>;
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| +++++++++
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help: consider introducing lifetime `'out` here
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LL | struct Foo<'out, 'a, 'b, T>(PhantomData<(&'a (), &'b (), T)>)
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| +++++
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error[E0261]: use of undeclared lifetime name `'b`
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--> $DIR/issue-107090.rs:11:47
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LL | impl<'long: 'short, 'short, T> Convert<'long, 'b> for Foo<'short, 'out, T> {
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| - ^^ undeclared lifetime
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| |
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| help: consider introducing lifetime `'b` here: `'b,`
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error[E0261]: use of undeclared lifetime name `'out`
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--> $DIR/issue-107090.rs:11:67
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LL | impl<'long: 'short, 'short, T> Convert<'long, 'b> for Foo<'short, 'out, T> {
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| - help: consider introducing lifetime `'out` here: `'out,` ^^^^ undeclared lifetime
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error[E0261]: use of undeclared lifetime name `'out`
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--> $DIR/issue-107090.rs:14:49
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LL | fn cast(&'long self) -> &'short Foo<'short, 'out, T> {
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| ^^^^ undeclared lifetime
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help: consider introducing lifetime `'out` here
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LL | fn cast<'out>(&'long self) -> &'short Foo<'short, 'out, T> {
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| ++++++
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help: consider introducing lifetime `'out` here
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LL | impl<'out, 'long: 'short, 'short, T> Convert<'long, 'b> for Foo<'short, 'out, T> {
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| +++++
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error[E0261]: use of undeclared lifetime name `'short`
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--> $DIR/issue-107090.rs:20:68
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LL | fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ Foo<'short, 'out, T>) -> &'out T {
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| - ^^^^^^ undeclared lifetime
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| |
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| help: consider introducing lifetime `'short` here: `'short,`
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error[E0308]: mismatched types
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--> $DIR/issue-107090.rs:22:5
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LL | fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ Foo<'short, 'out, T>) -> &'out T {
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| - this type parameter ------- expected `&'out T` because of return type
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LL |
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LL | sadness.cast()
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| ^^^^^^^^^^^^^^ expected `&T`, found `&Foo<'_, '_, T>`
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= note: expected reference `&'out T`
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found reference `&Foo<'_, '_, T>`
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error: aborting due to 7 previous errors
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Some errors have detailed explanations: E0261, E0308.
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For more information about an error, try `rustc --explain E0261`.
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