[−][src]Struct sdset::multi::DifferenceByKey
Represent the difference set operation that will be applied to multiple slices of two different types.
Examples
use sdset::multi::OpBuilderByKey; use sdset::{SetOperation, Set, SetBuf}; #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)] struct Foo { a: i32, b: u8 } let a = Set::new(&[ Foo{ a: 1, b: 6 }, Foo{ a: 1, b: 7 }, Foo{ a: 1, b: 8 }, Foo{ a: 2, b: 9 }, Foo{ a: 2, b: 10 }, Foo{ a: 4, b: 10 }, ])?; let b = Set::new(&[2, 3, 5, 7])?; let c = Set::new(&[4, 6, 7])?; // Return the field of Foo that will be used for comparison let f = |x: &Foo| x.a; // directly use the i32 for comparison let g = |x: &i32| *x; let op = OpBuilderByKey::from_vec(a, vec![b, c], f, g).difference(); let res: SetBuf<Foo> = op.into_set_buf(); assert_eq!(&res[..], &[Foo{ a: 1, b: 6 }, Foo{ a: 1, b: 7 }, Foo{ a: 1, b: 8 }]);
Methods
impl<'a, T, U, F, G, K> DifferenceByKey<'a, T, U, F, G, K> where
F: Fn(&T) -> K,
G: Fn(&U) -> K,
K: Ord,
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F: Fn(&T) -> K,
G: Fn(&U) -> K,
K: Ord,
pub fn new(base: &'a Set<T>, others: Vec<&'a Set<U>>, f: F, g: G) -> Self
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Construct one with slices checked to be sorted and deduplicated.
Trait Implementations
impl<'a, T, U, F, G, K> SetOperation<T> for DifferenceByKey<'a, T, U, F, G, K> where
T: Clone,
F: Fn(&T) -> K,
G: Fn(&U) -> K,
K: Ord,
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T: Clone,
F: Fn(&T) -> K,
G: Fn(&U) -> K,
K: Ord,
fn extend_vec(self, output: &mut Vec<T>)
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fn into_set_buf(self) -> SetBuf<T>
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impl<'a, T, U, F, G, K> SetOperation<&'a T> for DifferenceByKey<'a, T, U, F, G, K> where
F: Fn(&T) -> K,
G: Fn(&U) -> K,
K: Ord,
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F: Fn(&T) -> K,
G: Fn(&U) -> K,
K: Ord,
fn extend_vec(self, output: &mut Vec<&'a T>)
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fn into_set_buf(self) -> SetBuf<T>
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impl<'a, T: Clone + 'a, U: Clone + 'a, F: Clone, G: Clone, K: Clone> Clone for DifferenceByKey<'a, T, U, F, G, K> where
F: Fn(&T) -> K,
G: Fn(&U) -> K,
K: Ord,
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F: Fn(&T) -> K,
G: Fn(&U) -> K,
K: Ord,
fn clone(&self) -> DifferenceByKey<'a, T, U, F, G, K>
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fn clone_from(&mut self, source: &Self)
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Auto Trait Implementations
impl<'a, T, U, F, G, K> Send for DifferenceByKey<'a, T, U, F, G, K> where
F: Send,
G: Send,
T: Sync,
U: Sync,
F: Send,
G: Send,
T: Sync,
U: Sync,
impl<'a, T, U, F, G, K> Sync for DifferenceByKey<'a, T, U, F, G, K> where
F: Sync,
G: Sync,
T: Sync,
U: Sync,
F: Sync,
G: Sync,
T: Sync,
U: Sync,
impl<'a, T, U, F, G, K> Unpin for DifferenceByKey<'a, T, U, F, G, K> where
F: Unpin,
G: Unpin,
F: Unpin,
G: Unpin,
impl<'a, T, U, F, G, K> UnwindSafe for DifferenceByKey<'a, T, U, F, G, K> where
F: UnwindSafe,
G: UnwindSafe,
T: RefUnwindSafe,
U: RefUnwindSafe,
F: UnwindSafe,
G: UnwindSafe,
T: RefUnwindSafe,
U: RefUnwindSafe,
impl<'a, T, U, F, G, K> RefUnwindSafe for DifferenceByKey<'a, T, U, F, G, K> where
F: RefUnwindSafe,
G: RefUnwindSafe,
T: RefUnwindSafe,
U: RefUnwindSafe,
F: RefUnwindSafe,
G: RefUnwindSafe,
T: RefUnwindSafe,
U: RefUnwindSafe,
Blanket Implementations
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = !
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,