Enum subset_map::FindResult
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pub enum FindResult<'a, E, P: 'a> { Perfect(&'a P), Excluded(&'a P, Vec<E>), NotFound, }
The result of SubsetMap::get
.
It can either be a perfect match on the subset or a match where some elements of the input set had to be excluded.
For FindResult::NotFound
no tracking of
excluded elements is done.
Variants
Perfect(&'a P)
The input set exactly matched a combination of the original set and there was a payload.
Excluded(&'a P, Vec<E>)
There were some elements in the input set that had to be excluded to match a subset of the original set.
Still there was a payload at the given position.
The excluded elements are returned.
NotFound
There was no match at all or the payload
for the matched subset was None
Methods
impl<'a, E, P> FindResult<'a, E, P>
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pub fn payload(&self) -> Option<&P>
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pub fn excluded_elements(&self) -> &[E]
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Returns the excluded elements if there was a match at all.
If there was no match the returned slice is also empty.
pub fn is_found_and_perfect(&self) -> bool
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Returns true
if there was a perfect match
pub fn is_found_and_excluded(&self) -> bool
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Returns true
if there was a match
but some elements had to be excluded
pub fn is_not_found(&self) -> bool
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Returns true
if there was no match
or if the payload for the matched subset was
None
pub fn is_found(&self) -> bool
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Returns true
if there was a match even
though some elements had to be excluded
and if there was a payload for the matched
subset.
Trait Implementations
impl<'a, E: Debug, P: Debug + 'a> Debug for FindResult<'a, E, P>
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Auto Trait Implementations
impl<'a, E, P> Send for FindResult<'a, E, P> where
E: Send,
P: Sync,
E: Send,
P: Sync,
impl<'a, E, P> Sync for FindResult<'a, E, P> where
E: Sync,
P: Sync,
E: Sync,
P: Sync,