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Struct PeekOption

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pub struct PeekOption<'mem> { /* private fields */ }
Expand description

Lets you read from an option (implements read-only option operations)

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impl<'mem> PeekOption<'mem>

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pub fn def(self) -> OptionDef

Returns the option definition

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pub fn vtable(self) -> &'static OptionVTable

Returns the option vtable

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pub fn is_some(self) -> bool

Returns whether the option is Some

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pub fn is_none(self) -> bool

Returns whether the option is None

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pub fn value(self) -> Option<Peek<'mem>>

Returns the inner value as a Peek if the option is Some, None otherwise

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impl<'mem> Clone for PeekOption<'mem>

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fn clone(&self) -> PeekOption<'mem>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'mem> Copy for PeekOption<'mem>

Auto Trait Implementations§

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impl<'mem> Freeze for PeekOption<'mem>

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impl<'mem> RefUnwindSafe for PeekOption<'mem>

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impl<'mem> Send for PeekOption<'mem>

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impl<'mem> Sync for PeekOption<'mem>

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impl<'mem> Unpin for PeekOption<'mem>

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impl<'mem> UnwindSafe for PeekOption<'mem>

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Stylize for T

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fn style(self, style: Style) -> Styled<T>

Apply a style to a value.
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fn red(self) -> Styled<T>

Apply red color style to a value.
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fn green(self) -> Styled<T>

Apply green color style to a value.
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fn blue(self) -> Styled<T>

Apply blue color style to a value.
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fn yellow(self) -> Styled<T>

Apply yellow color style to a value.
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fn magenta(self) -> Styled<T>

Apply magenta color style to a value.
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fn cyan(self) -> Styled<T>

Apply cyan color style to a value.
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fn white(self) -> Styled<T>

Apply white color style to a value.
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fn black(self) -> Styled<T>

Apply black color style to a value.
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fn bright_red(self) -> Styled<T>

Apply bright red color style to a value.
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fn bright_green(self) -> Styled<T>

Apply bright green color style to a value.
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fn bright_blue(self) -> Styled<T>

Apply bright blue color style to a value.
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fn bright_yellow(self) -> Styled<T>

Apply bright yellow color style to a value.
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fn bright_magenta(self) -> Styled<T>

Apply bright magenta color style to a value.
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fn bright_cyan(self) -> Styled<T>

Apply bright cyan color style to a value.
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fn bright_white(self) -> Styled<T>

Apply bright white color style to a value.
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fn bold(self) -> Styled<T>

Apply bold style to a value.
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fn underline(self) -> Styled<T>

Apply underline style to a value.
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fn italic(self) -> Styled<T>

Apply italic style to a value.
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fn dim(self) -> Styled<T>

Apply dimmed style to a value.
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fn on_black(self) -> Styled<T>

Apply black background style to a value.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.