Trait FromValue

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pub unsafe trait FromValue {
    // Required method
    fn from_value(v: Value) -> Self;
}
Expand description

FromValue is used to convert from OCaml values to Rust types

NOTE: This should only be used after the OCaml runtime has been initialized, when calling Rust functions from OCaml, the runtime is already initialized otherwise ocaml::Runtime::init should be used

Required Methods§

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fn from_value(v: Value) -> Self

Convert from OCaml value

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types§

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impl FromValue for bool

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impl FromValue for f32

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impl FromValue for f64

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impl FromValue for i8

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impl FromValue for i16

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impl FromValue for i32

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impl FromValue for i64

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impl FromValue for u8

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impl FromValue for u16

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impl FromValue for u32

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impl FromValue for u64

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impl FromValue for ()

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impl FromValue for String

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impl<'a> FromValue for &'a str

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fn from_value(value: Value) -> &'a str

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impl<'a> FromValue for &'a [u8]

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fn from_value(value: Value) -> &'a [u8]

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impl<'a> FromValue for &'a [Raw]

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fn from_value(value: Value) -> &'a [Raw]

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impl<'a> FromValue for &'a mut str

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fn from_value(value: Value) -> &'a mut str

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impl<'a> FromValue for &'a mut [u8]

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fn from_value(value: Value) -> &'a mut [u8]

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impl<'a> FromValue for &'a mut [Raw]

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fn from_value(value: Value) -> &'a mut [Raw]

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impl<A: FromValue> FromValue for (A,)

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impl<A: FromValue, B: FromValue> FromValue for Result<A, B>

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fn from_value(value: Value) -> Result<A, B>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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impl<A: FromValue, B: FromValue, C: FromValue, D: FromValue, E: FromValue, F: FromValue, G: FromValue, H: FromValue, I: FromValue, J: FromValue, K: FromValue, L: FromValue, M: FromValue, N: FromValue, O: FromValue, P: FromValue, Q: FromValue, R: FromValue, S: FromValue, T: FromValue> FromValue 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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impl<A: FromValue, B: FromValue, C: FromValue, D: FromValue, E: FromValue, F: FromValue, G: FromValue, H: FromValue, I: FromValue, J: FromValue, K: FromValue, L: FromValue, M: FromValue, N: FromValue, O: FromValue, P: FromValue, Q: FromValue, R: FromValue, S: FromValue, T: FromValue, U: FromValue> FromValue 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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impl<K: Ord + FromValue, V: FromValue> FromValue for BTreeMap<K, V>

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impl<T: Custom> FromValue for &T

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fn from_value(v: Value) -> Self

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impl<T: Custom> FromValue for &mut T

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fn from_value(v: Value) -> Self

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impl<T: FromValue> FromValue for Option<T>

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impl<T: FromValue> FromValue for Result<T, Error>

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impl<T: FromValue> FromValue for LinkedList<T>

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impl<V: FromValue> FromValue for Box<V>

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impl<V: FromValue> FromValue for Vec<V>

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

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fn from_value(value: Value) -> Self

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