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FromValue

Trait FromValue 

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pub trait FromValue: Sized {
    // Required method
    fn from_value(value: &Value) -> Result<Self>;
}
Expand description

Trait for types that can be created from a database Value

Required Methods§

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fn from_value(value: &Value) -> Result<Self>

Try to convert a database Value to this type

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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fn from_value(value: &Value) -> Result<Self>

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impl FromValue for f64

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fn from_value(value: &Value) -> Result<Self>

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impl FromValue for i32

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fn from_value(value: &Value) -> Result<Self>

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impl FromValue for i64

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fn from_value(value: &Value) -> Result<Self>

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impl FromValue for String

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fn from_value(value: &Value) -> Result<Self>

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impl FromValue for Vec<u8>

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fn from_value(value: &Value) -> Result<Self>

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

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fn from_value(value: &Value) -> Result<Self>

Implementors§