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CtOption

Struct CtOption 

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pub struct CtOption<T> { /* private fields */ }
Expand description

An option whose validity is represented by a Choice.

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impl<T> CtOption<T>

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pub const fn new(value: T, is_some: Choice) -> Self

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pub const fn is_some(&self) -> Choice

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pub fn is_none(&self) -> Choice

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pub fn unwrap(self) -> T

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pub fn unwrap_or(self, default: T) -> T

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pub fn unwrap_or_else<F>(self, default: F) -> T
where T: ConditionallySelectable, F: FnOnce() -> T,

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pub fn and_then<U, F>(self, function: F) -> CtOption<U>
where F: FnOnce(T) -> CtOption<U>,

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pub fn map<U, F>(self, function: F) -> CtOption<U>
where F: FnOnce(T) -> U,

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pub fn into_option(self) -> Option<T>

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pub fn or_else<F>(self, function: F) -> Self
where T: ConditionallySelectable, F: FnOnce() -> Self,

Trait Implementations§

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impl<T: Clone> Clone for CtOption<T>

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fn clone(&self) -> CtOption<T>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: Copy> Copy for CtOption<T>

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impl<T: Debug> Debug for CtOption<T>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<T> From<CtOption<T>> for Option<T>

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fn from(value: CtOption<T>) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl<T> Freeze for CtOption<T>
where T: Freeze,

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impl<T> RefUnwindSafe for CtOption<T>
where T: RefUnwindSafe,

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impl<T> Send for CtOption<T>
where T: Send,

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impl<T> Sync for CtOption<T>
where T: Sync,

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impl<T> Unpin for CtOption<T>
where T: Unpin,

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impl<T> UnsafeUnpin for CtOption<T>
where T: UnsafeUnpin,

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impl<T> UnwindSafe for CtOption<T>
where T: UnwindSafe,

Blanket Implementations§

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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> 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.