Struct abstutil::collections::Counter

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pub struct Counter<T: Ord + PartialEq + Clone> {
    map: BTreeMap<T, usize>,
    sum: usize,
}

Expand description

A counter per key

Fields

map: BTreeMap<T, usize>sum: usize

Implementations

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pub fn get(&self, val: T) -> usize

If the key is missing, returns 0

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pub fn sorted_asc(&self) -> Vec<Vec<T>>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Values with the same count are grouped together

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pub fn highest_n(&self, n: usize) -> Vec<(T, usize )>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

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pub fn max_key(&self) -> T

If two keys share the maximum, returns one of them arbitrarily (and deterministically)

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pub fn max(&self) -> usize

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pub fn sum(&self) -> usize

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pub fn compare(self, other: Counter<T>) -> Vec<(T, usize, usize )>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

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pub fn borrow(&self) -> &BTreeMap<T, usize>

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pub fn consume(self) -> BTreeMap<T, usize>

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pub fn is_empty(&self) -> bool

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pub fn extend(&mut self, other: Counter<T>)

Trait Implementations

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impl<T: Clone + Ord + PartialEq + Clone> Clone for Counter<T>

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

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<T: Ord + PartialEq + Clone> Default for Counter<T>

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fn default() -> Counter<T>

Returns the “default value” for a type. Read more

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impl<'de, T: Ord + PartialEq + Clone> Deserialize<'de> for Counter<T> where
T: Deserialize<'de>,

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
__D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl<T: PartialEq + Ord + PartialEq + Clone> PartialEq<Counter<T>> for Counter<T>

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fn eq(&self, other: &Counter<T>) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &Counter<T>) -> bool

This method tests for !=.

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impl<T: Ord + PartialEq + Clone> Serialize for Counter<T> where
T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where
S: Serializer,

Serialize this value into the given Serde serializer. Read more

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impl<T: Ord + PartialEq + Clone> StructuralPartialEq for Counter<T>

Auto Trait Implementations

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

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

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

impl<T> Unpin for Counter<T>

impl<T> UnwindSafe for Counter<T> where
T: RefUnwindSafe,

Blanket Implementations

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

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pub 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,

const: unstable · source

pub 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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

pub 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,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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Struct abstutil::collections::Counter

Fields

Implementations

impl<T: Ord + PartialEq + Clone> Counter<T>

pub fn new() -> Counter<T>

pub fn add(&mut self, val: T, amount: usize) -> usize

pub fn inc(&mut self, val: T) -> usize

pub fn get(&self, val: T) -> usize

pub fn sorted_asc(&self) -> Vec<Vec<T>>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

pub fn highest_n(&self, n: usize) -> Vec<(T, usize)>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

pub fn max_key(&self) -> T

pub fn max(&self) -> usize

pub fn sum(&self) -> usize

pub fn compare(self, other: Counter<T>) -> Vec<(T, usize, usize)>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

pub fn borrow(&self) -> &BTreeMap<T, usize>

pub fn consume(self) -> BTreeMap<T, usize>

pub fn is_empty(&self) -> bool

pub fn extend(&mut self, other: Counter<T>)

Trait Implementations

impl<T: Clone + Ord + PartialEq + Clone> Clone for Counter<T>

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

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

impl<T: Ord + PartialEq + Clone> Default for Counter<T>

fn default() -> Counter<T>

impl<'de, T: Ord + PartialEq + Clone> Deserialize<'de> for Counter<T> where T: Deserialize<'de>,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where __D: Deserializer<'de>,

impl<T: PartialEq + Ord + PartialEq + Clone> PartialEq<Counter<T>> for Counter<T>

fn eq(&self, other: &Counter<T>) -> bool

fn ne(&self, other: &Counter<T>) -> bool

impl<T: Ord + PartialEq + Clone> Serialize for Counter<T> where T: Serialize,

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where __S: Serializer,

impl<T: Ord + PartialEq + Clone> StructuralPartialEq for Counter<T>

Auto Trait Implementations

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

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

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

impl<T> Unpin for Counter<T>

impl<T> UnwindSafe for Counter<T> where T: RefUnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

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

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

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

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T> DeserializeOwned for T where T: for<'de> Deserialize<'de>,

pub fn sorted_asc(&self) -> Vec<Vec<T>>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

pub fn highest_n(&self, n: usize) -> Vec<(T, usize )>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

pub fn compare(self, other: Counter<T>) -> Vec<(T, usize, usize )>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

impl<'de, T: Ord + PartialEq + Clone> Deserialize<'de> for Counter<T> where
T: Deserialize<'de>,

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
__D: Deserializer<'de>,

impl<T: Ord + PartialEq + Clone> Serialize for Counter<T> where
T: Serialize,

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where
S: Serializer,

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

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

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

impl<T> UnwindSafe for Counter<T> where
T: RefUnwindSafe,

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

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

impl<T> ToOwned for T where
T: Clone,

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

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,