pub trait DataSource {
    // Required method
    fn len(&self) -> usize;

    // Provided method
    fn is_empty(&self) -> bool { ... }
}

Required Methods§

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fn len(&self) -> usize

Length of the serialized data

Provided Methods§

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fn is_empty(&self) -> bool

Implementations on Foreign Types§

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impl DataSource for ()

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl DataSource for [&dyn DataSource]

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl DataSource for [u8]

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource> DataSource for (A, B)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource> DataSource for (A, B, C)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource> DataSource for (A, B, C, D)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource> DataSource for (A, B, C, D, E)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource> DataSource for (A, B, C, D, E, F)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource, G: DataSource> DataSource for (A, B, C, D, E, F, G)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource, G: DataSource, H: DataSource> DataSource for (A, B, C, D, E, F, G, H)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource, G: DataSource, H: DataSource, I: DataSource> DataSource for (A, B, C, D, E, F, G, H, I)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource, G: DataSource, H: DataSource, I: DataSource, J: DataSource> DataSource for (A, B, C, D, E, F, G, H, I, J)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource, G: DataSource, H: DataSource, I: DataSource, J: DataSource, K: DataSource> DataSource for (A, B, C, D, E, F, G, H, I, J, K)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource, G: DataSource, H: DataSource, I: DataSource, J: DataSource, K: DataSource, L: DataSource> DataSource for (A, B, C, D, E, F, G, H, I, J, K, L)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource, G: DataSource, H: DataSource, I: DataSource, J: DataSource, K: DataSource, L: DataSource, M: DataSource> DataSource for (A, B, C, D, E, F, G, H, I, J, K, L, M)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource, G: DataSource, H: DataSource, I: DataSource, J: DataSource, K: DataSource, L: DataSource, M: DataSource, N: DataSource> DataSource for (A, B, C, D, E, F, G, H, I, J, K, L, M, N)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource, G: DataSource, H: DataSource, I: DataSource, J: DataSource, K: DataSource, L: DataSource, M: DataSource, N: DataSource, O: DataSource> DataSource for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<A: DataSource, B: DataSource, C: DataSource, D: DataSource, E: DataSource, F: DataSource, G: DataSource, H: DataSource, I: DataSource, J: DataSource, K: DataSource, L: DataSource, M: DataSource, N: DataSource, O: DataSource, P: DataSource> DataSource for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P)

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<I: DataSource> DataSource for Option<I>

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<T: DataSource + ?Sized> DataSource for &T

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<W: Writer> DataSource for [&dyn DataStream<W>]

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

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impl<const N: usize> DataSource for [u8; N]

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fn len(&self) -> usize

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fn is_empty(&self) -> bool

Implementors§