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Implement repetition for arrays #286

Merged
merged 2 commits into from
Dec 26, 2024
Merged

Implement repetition for arrays #286

merged 2 commits into from
Dec 26, 2024

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dtolnay
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@dtolnay dtolnay commented Dec 26, 2024

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    error[E0599]: the method `quote_into_iter` exists for struct `RepInterp<&[u8; 2]>`, but its trait bounds were not satisfied
       --> tests/test.rs:110:13
        |
    110 |     let _ = quote!(#(#(#array_of_array)*)*);
        |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method cannot be called on `RepInterp<&[u8; 2]>` due to unsatisfied trait bounds
        |
       ::: /git/quote/src/runtime.rs:158:1
        |
    158 | pub struct RepInterp<T>(pub T);
        | ----------------------- doesn't satisfy 5 bounds
        |
    note: there's an earlier shadowed binding `array_of_array` of type `[[u8; 2]; 2]` that has method `quote_into_iter` available
       --> tests/test.rs:109:9
        |
    109 |     let array_of_array: [[u8; 2]; 2] = [[0; 2]; 2];
        |         ^^^^^^^^^^^^^^ `array_of_array` of type `[[u8; 2]; 2]` that has method `quote_into_iter` defined earlier here
    110 |     let _ = quote!(#(#(#array_of_array)*)*);
        |             ------------------------------- earlier `array_of_array` shadowed here with type `RepInterp<&[u8; 2]>`
        = note: the following trait bounds were not satisfied:
                `RepInterp<&[u8; 2]>: Iterator`
                which is required by `RepInterp<&[u8; 2]>: ext::RepIteratorExt`
                `&RepInterp<&[u8; 2]>: Iterator`
                which is required by `&RepInterp<&[u8; 2]>: ext::RepIteratorExt`
                `RepInterp<&[u8; 2]>: quote::ToTokens`
                which is required by `RepInterp<&[u8; 2]>: ext::RepToTokensExt`
                `&[u8; 2]: ext::RepAsIteratorExt<'_>`
                which is required by `RepInterp<&[u8; 2]>: ext::RepAsIteratorExt<'_>`
                `&mut RepInterp<&[u8; 2]>: Iterator`
                which is required by `&mut RepInterp<&[u8; 2]>: ext::RepIteratorExt`
        = note: this error originates in the macro `$crate::quote_bind_into_iter` which comes from the expansion of the macro `quote` (in Nightly builds, run with -Z macro-backtrace for more info)
@dtolnay dtolnay merged commit d978c51 into master Dec 26, 2024
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@dtolnay dtolnay deleted the array branch December 26, 2024 05:02
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