rust/tests/ui/impl-trait/diagnostics/highlight-difference-between-expected-trait-and-found-trait.svg
Esteban Küber 092ecca5b9 Point at tail expression on rpit E0277
```
error[E0277]: the trait bound `{gen block@$DIR/gen_block_is_coro.rs:7:5: 7:8}: Coroutine` is not satisfied
  --> $DIR/gen_block_is_coro.rs:6:13
   |
LL | fn foo() -> impl Coroutine<Yield = u32, Return = ()> {
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Coroutine` is not implemented for `{gen block@$DIR/gen_block_is_coro.rs:7:5: 7:8}`
LL |     gen { yield 42 }
   |     ---------------- return type was inferred to be `{gen block@$DIR/gen_block_is_coro.rs:7:5: 7:8}` here
```

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2024-11-02 03:08:04 +00:00

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<tspan x="10px" y="28px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: the trait bound `Struct: Foo&lt;i32&gt;` is not satisfied</tspan>
</tspan>
<tspan x="10px" y="46px"><tspan> </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/highlight-difference-between-expected-trait-and-found-trait.rs:16:13</tspan>
</tspan>
<tspan x="10px" y="64px"><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
</tspan>
<tspan x="10px" y="82px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> fn foo() -&gt; impl Foo&lt;i32&gt; {</tspan>
</tspan>
<tspan x="10px" y="100px"><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">^^^^^^^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">the trait `Bar&lt;i32&gt;` is not implemented for `Struct`</tspan>
</tspan>
<tspan x="10px" y="118px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> Struct</tspan>
</tspan>
<tspan x="10px" y="136px"><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">------</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">return type was inferred to be `Struct` here</tspan>
</tspan>
<tspan x="10px" y="154px"><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
</tspan>
<tspan x="10px" y="172px"><tspan> </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Bar&lt;</tspan><tspan class="fg-magenta bold">i32</tspan><tspan>&gt;` </tspan><tspan class="fg-magenta bold">is not</tspan><tspan> implemented for `Struct`</tspan>
</tspan>
<tspan x="10px" y="190px"><tspan> but trait `Bar&lt;</tspan><tspan class="fg-magenta bold">()</tspan><tspan>&gt;` </tspan><tspan class="fg-magenta bold">is</tspan><tspan> implemented for it</tspan>
</tspan>
<tspan x="10px" y="208px"><tspan> </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: for that trait implementation, expected `</tspan><tspan class="fg-magenta bold">()</tspan><tspan>`, found `</tspan><tspan class="fg-magenta bold">i32</tspan><tspan>`</tspan>
</tspan>
<tspan x="10px" y="226px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required for `Struct` to implement `Foo&lt;i32&gt;`</tspan>
</tspan>
<tspan x="10px" y="244px"><tspan> </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/highlight-difference-between-expected-trait-and-found-trait.rs:11:12</tspan>
</tspan>
<tspan x="10px" y="262px"><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
</tspan>
<tspan x="10px" y="280px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> impl&lt;T, K&gt; Foo&lt;K&gt; for T where T: Bar&lt;K&gt;</tspan>
</tspan>
<tspan x="10px" y="298px"><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-010 bold">^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-010 bold">^</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">------</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">unsatisfied trait bound introduced here</tspan>
</tspan>
<tspan x="10px" y="316px">
</tspan>
<tspan x="10px" y="334px"><tspan class="fg-ansi256-009 bold">error</tspan><tspan class="bold">: aborting due to 1 previous error</tspan>
</tspan>
<tspan x="10px" y="352px">
</tspan>
<tspan x="10px" y="370px"><tspan class="bold">For more information about this error, try `rustc --explain E0277`.</tspan>
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