Trait Nullable

pub trait Nullable {
    // Required method
    fn null() -> Value;
}

Required Methods§

fn null() -> 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 Nullable for &str

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fn null() -> Value

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impl Nullable for bool

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fn null() -> Value

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impl Nullable for char

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fn null() -> Value

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impl Nullable for f32

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fn null() -> Value

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impl Nullable for f64

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fn null() -> Value

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impl Nullable for i8

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fn null() -> Value

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impl Nullable for i16

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fn null() -> Value

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impl Nullable for i32

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fn null() -> Value

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impl Nullable for i64

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fn null() -> Value

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impl Nullable for u8

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fn null() -> Value

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impl Nullable for u16

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fn null() -> Value

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impl Nullable for u32

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fn null() -> Value

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impl Nullable for u64

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fn null() -> Value

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impl Nullable for String

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fn null() -> Value

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impl Nullable for Vec<u8>

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fn null() -> Value

Implementors§