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26 lines
1.3 KiB
Plaintext
26 lines
1.3 KiB
Plaintext
warning: function cannot return without recursing
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--> $DIR/issue-91949-hangs-on-recursion.rs:23:1
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LL | / fn recurse<T>(elements: T) -> Vec<char>
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LL | | where
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LL | | T: Iterator<Item = ()>,
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| |___________________________^ cannot return without recursing
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LL | {
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LL | recurse(IteratorOfWrapped(elements).map(|t| t.0))
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| ------------------------------------------------- recursive call site
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= help: a `loop` may express intention better if this is on purpose
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= note: `#[warn(unconditional_recursion)]` on by default
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error[E0275]: overflow evaluating the requirement `(): Sized`
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= help: consider increasing the recursion limit by adding a `#![recursion_limit = "512"]` attribute to your crate (`issue_91949_hangs_on_recursion`)
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= note: required for `std::iter::Empty<()>` to implement `Iterator`
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= note: 171 redundant requirements hidden
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= note: required for `IteratorOfWrapped<(), Map<IteratorOfWrapped<(), Map<IteratorOfWrapped<(), Map<..., ...>>, ...>>, ...>>` to implement `Iterator`
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= note: the full type name has been written to '$TEST_BUILD_DIR/traits/issue-91949-hangs-on-recursion/issue-91949-hangs-on-recursion.long-type-hash.txt'
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error: aborting due to previous error; 1 warning emitted
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For more information about this error, try `rustc --explain E0275`.
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