Trait nom::branch::Alt

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pub trait Alt<I, O, E> {
    // Required method
    fn choice(&self, input: I) -> IResult<I, O, E>;
}
Expand description

helper trait for the alt() combinator

this trait is implemented for tuples of up to 21 elements

Required Methods§

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fn choice(&self, input: I) -> IResult<I, O, E>

tests each parser in the tuple and returns the result of the first one that succeeds

Implementations on Foreign Types§

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>, L: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K, L)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>, L: Fn(Input) -> IResult<Input, Output, Error>, M: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K, L, M)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>, L: Fn(Input) -> IResult<Input, Output, Error>, M: Fn(Input) -> IResult<Input, Output, Error>, N: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>, L: Fn(Input) -> IResult<Input, Output, Error>, M: Fn(Input) -> IResult<Input, Output, Error>, N: Fn(Input) -> IResult<Input, Output, Error>, O: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>, L: Fn(Input) -> IResult<Input, Output, Error>, M: Fn(Input) -> IResult<Input, Output, Error>, N: Fn(Input) -> IResult<Input, Output, Error>, O: Fn(Input) -> IResult<Input, Output, Error>, P: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>, L: Fn(Input) -> IResult<Input, Output, Error>, M: Fn(Input) -> IResult<Input, Output, Error>, N: Fn(Input) -> IResult<Input, Output, Error>, O: Fn(Input) -> IResult<Input, Output, Error>, P: Fn(Input) -> IResult<Input, Output, Error>, Q: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>, L: Fn(Input) -> IResult<Input, Output, Error>, M: Fn(Input) -> IResult<Input, Output, Error>, N: Fn(Input) -> IResult<Input, Output, Error>, O: Fn(Input) -> IResult<Input, Output, Error>, P: Fn(Input) -> IResult<Input, Output, Error>, Q: Fn(Input) -> IResult<Input, Output, Error>, R: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>, L: Fn(Input) -> IResult<Input, Output, Error>, M: Fn(Input) -> IResult<Input, Output, Error>, N: Fn(Input) -> IResult<Input, Output, Error>, O: Fn(Input) -> IResult<Input, Output, Error>, P: Fn(Input) -> IResult<Input, Output, Error>, Q: Fn(Input) -> IResult<Input, Output, Error>, R: Fn(Input) -> IResult<Input, Output, Error>, S: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>, L: Fn(Input) -> IResult<Input, Output, Error>, M: Fn(Input) -> IResult<Input, Output, Error>, N: Fn(Input) -> IResult<Input, Output, Error>, O: Fn(Input) -> IResult<Input, Output, Error>, P: Fn(Input) -> IResult<Input, Output, Error>, Q: Fn(Input) -> IResult<Input, Output, Error>, R: Fn(Input) -> IResult<Input, Output, Error>, S: Fn(Input) -> IResult<Input, Output, Error>, T: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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impl<Input: Clone, Output, Error: ParseError<Input>, A: Fn(Input) -> IResult<Input, Output, Error>, B: Fn(Input) -> IResult<Input, Output, Error>, C: Fn(Input) -> IResult<Input, Output, Error>, D: Fn(Input) -> IResult<Input, Output, Error>, E: Fn(Input) -> IResult<Input, Output, Error>, F: Fn(Input) -> IResult<Input, Output, Error>, G: Fn(Input) -> IResult<Input, Output, Error>, H: Fn(Input) -> IResult<Input, Output, Error>, I: Fn(Input) -> IResult<Input, Output, Error>, J: Fn(Input) -> IResult<Input, Output, Error>, K: Fn(Input) -> IResult<Input, Output, Error>, L: Fn(Input) -> IResult<Input, Output, Error>, M: Fn(Input) -> IResult<Input, Output, Error>, N: Fn(Input) -> IResult<Input, Output, Error>, O: Fn(Input) -> IResult<Input, Output, Error>, P: Fn(Input) -> IResult<Input, Output, Error>, Q: Fn(Input) -> IResult<Input, Output, Error>, R: Fn(Input) -> IResult<Input, Output, Error>, S: Fn(Input) -> IResult<Input, Output, Error>, T: Fn(Input) -> IResult<Input, Output, Error>, U: Fn(Input) -> IResult<Input, Output, Error>> Alt<Input, Output, Error> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U)

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fn choice(&self, input: Input) -> IResult<Input, Output, Error>

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