[−][src]Trait prune::IsNone

pub trait IsNone {
    fn is_none(&self) -> bool { ... }
}

Provided methods

`fn is_none(&self) -> bool`

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Implementations on Foreign Types

`impl IsNone for String`[src]

`fn is_none(&self) -> bool`[src]

`impl<'a> IsNone for Cow<'a, str>`[src]

`fn is_none(&self) -> bool`[src]

`impl<T> IsNone for Option<T>`[src]

`fn is_none(&self) -> bool`[src]

`impl<T> IsNone for Vec<T>`[src]

`fn is_none(&self) -> bool`[src]

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Implementors

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