FromValue

Trait FromValue 

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

Helper trait for converting Values to specific types

This is used internally by FromRow implementations.

Required Methods§

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

Convert a 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 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 DateTime<Utc>

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

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impl FromValue for Uuid

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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>

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impl<T: FromValue> FromValue for Vec<T>

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

Implementors§