Enum hl_capture::utils::maybe_unavaliable::MaybeUnavailable

pub enum MaybeUnavailable<T> {
    NotChecked,
    Unavailable,
    Available(T),
}

Represents a value that is not checked at first, and upon being checked it might be available or unavailable.

Variants

NotCheckedUnavailableAvailable(T)

Methods

impl<T> MaybeUnavailable<T>

pub fn reset(&mut self)

Resets this value to the not checked state.

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

If the value is available, returns it, otherwise returns None.

pub fn take(&mut self) -> Option<T>

Takes a value out of the MaybeUnavailable, leaving NotChecked in its place if it was Available and retains the value otherwise.

pub fn unwrap(self) -> T

Moves the value v out of the MaybeUnavailable<T> if it is Available(v).

Panics

Panics if the self value does not equal Available(v).

pub fn is_not_checked(&self) -> bool

Returns true if the value is NotChecked.

pub fn as_ref(&self) -> MaybeUnavailable<&T>

Converts from MaybeUnavailable<T> to MaybeUnavailable<&T>.

pub fn as_mut(&mut self) -> MaybeUnavailable<&mut T>

Converts from MaybeUnavailable<T> to MaybeUnavailable<&mut T>.

pub fn from_check_result(x: Option<T>) -> Self

Returns Available(x) if passed Some(x) and Unavailable otherwise.