tuple_map

Trait TupleMap7

Source 
pub trait TupleMap7 {
    type Item;


Show 24 methods    // Required methods
    fn all<F>(self, f: F) -> bool
       where F: FnMut(Self::Item) -> bool;
    fn any<F>(self, f: F) -> bool
       where F: FnMut(Self::Item) -> bool;
    fn by_ref(
        &self,
    ) -> (&Self::Item, &Self::Item, &Self::Item, &Self::Item, &Self::Item, &Self::Item, &Self::Item);
    fn by_ref_mut(
        &mut self,
    ) -> (&mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item);
    fn find<F>(self, f: F) -> Option<Self::Item>
       where F: FnMut(&Self::Item) -> bool;
    fn fold<B, F>(self, init: B, f: F) -> B
       where F: FnMut(B, Self::Item) -> B;
    fn for_each<F>(self, f: F)
       where F: FnMut(Self::Item);
    fn id(
        self,
    ) -> (Self::Item, Self::Item, Self::Item, Self::Item, Self::Item, Self::Item, Self::Item);
    fn into_vec(self) -> Vec<Self::Item>;
    fn map<B, F>(self, f: F) -> (B, B, B, B, B, B, B)
       where F: FnMut(Self::Item) -> B;
    fn nth(self, i: usize) -> Option<Self::Item>;
    fn same(self) -> bool
       where Self::Item: PartialEq;
    fn same_as(self, i: Self::Item) -> bool
       where Self::Item: PartialEq;
    fn sum(self) -> Self::Item
       where Self::Item: AddAssign;
    fn product(self) -> Self::Item
       where Self::Item: MulAssign;
    fn tmax(self) -> Self::Item
       where Self::Item: PartialOrd;
    fn tmin(self) -> Self::Item
       where Self::Item: PartialOrd;
    fn zip<U, B>(
        self,
        other: U,
    ) -> ((Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B))
       where U: TupleMap7<Item = B>;
    fn zipf<U, I, F, B>(self, other: U, f: F) -> (B, B, B, B, B, B, B)
       where U: TupleMap7<Item = I>,
             F: FnMut(Self::Item, I) -> B;

    // Provided methods
    fn cloned(
        &self,
    ) -> (Self::Item, Self::Item, Self::Item, Self::Item, Self::Item, Self::Item, Self::Item)
       where Self::Item: Clone { ... }
    fn add<U, I, B>(self, other: U) -> (B, B, B, B, B, B, B)
       where U: TupleMap7<Item = I>,
             Self::Item: Add<I, Output = B>,
             Self: Sized { ... }
    fn sub<U, I, B>(self, other: U) -> (B, B, B, B, B, B, B)
       where U: TupleMap7<Item = I>,
             Self::Item: Sub<I, Output = B>,
             Self: Sized { ... }
    fn mul<U, I, B>(self, other: U) -> (B, B, B, B, B, B, B)
       where U: TupleMap7<Item = I>,
             Self::Item: Mul<I, Output = B>,
             Self: Sized { ... }
    fn div<U, I, B>(self, other: U) -> (B, B, B, B, B, B, B)
       where U: TupleMap7<Item = I>,
             Self::Item: Div<I, Output = B>,
             Self: Sized { ... }

}

Required Associated Types§

Source

type Item

Required Methods§

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fn all<F>(self, f: F) -> bool
where F: FnMut(Self::Item) -> bool,

Checks if every element of tuple matches a predicate, like std::iter::Iterator::all.

This method take a closure returns true or false, and tries to apply this closure to all elements of tuple. If and only if all of them returns true, this method return true.

§Examples
ⓘ
let a = (3, 9, 12, ...);
assert!(a.all(|x| x % 3 == 0));
assert!(!a.all(|x| x % 4 == 0));
Source

fn any<F>(self, f: F) -> bool
where F: FnMut(Self::Item) -> bool,

Checks if any element of tuple matches a predicate, like std::iter::Iterator::any.

This method take a closure returns true or false, and tries to apply this closure to all elements of tuple. If any of them returns true, this method return true.

§Examples
ⓘ
let a = (3, 9, 12, ...);
assert!(a.any(|x| x % 4 == 0));
assert!(!a.any(|x| x % 7 == 0));
Source

fn by_ref( &self, ) -> (&Self::Item, &Self::Item, &Self::Item, &Self::Item, &Self::Item, &Self::Item, &Self::Item)

Takes &(a, a, a, ...) and returns (&a, &a, &a, ...)

§Examples
ⓘ
let a = (3, 3, 3, ...);
assert_eq!(a.by_ref(), (&3, &3, &3, ...));
Source

fn by_ref_mut( &mut self, ) -> (&mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item)

Takes &mut (a, a, a, ...) and returns (&mut a, &mut a, &mut a, ...)

§Examples
ⓘ
let a = (3, 3, 3, ...);
assert_eq!(a.by_ref(), (&mut 3, &mut 3, &mut 3, ...));
Source

fn find<F>(self, f: F) -> Option<Self::Item>
where F: FnMut(&Self::Item) -> bool,

Find the leftest element which satisfies f and returns it.

§Example
ⓘ
let mut a = (3, 3, 5, 3, ...);
if let Some(x) = a.by_ref_mut().find(|&&mut x| x == 5) {
    *x = 3
}
assert!(a.same());
Source

fn fold<B, F>(self, init: B, f: F) -> B
where F: FnMut(B, Self::Item) -> B,

Takes a closure f and applies it to all elements to tuple, and produce single value. This is similar to std::iter::Iterator::fold

§Example
ⓘ
let a = (3, 4, 5, ...)
let sum = a.fold(0, |sum, x| sum + x);
Source

fn for_each<F>(self, f: F)
where F: FnMut(Self::Item),

Takes a closure f and applies it to all elements to tuple. f can cause side effect(because it’s FnMut), but this method return nothing. Similar to std::iter::Iterator::for_each

§Example
ⓘ
let a = (3, 4, 5, ...);
let mut sum = 0;
a.for_each(|x| sum += x);
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fn id( self, ) -> (Self::Item, Self::Item, Self::Item, Self::Item, Self::Item, Self::Item, Self::Item)

return Self. It’s not intended to used by user.

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fn into_vec(self) -> Vec<Self::Item>

Convert tuple into Vec.

§Example
ⓘ
let a = (3, 4, 5, ...)
assert_eq(a.into_vec(), vec![3, 4, 5, ...])
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fn map<B, F>(self, f: F) -> (B, B, B, B, B, B, B)
where F: FnMut(Self::Item) -> B,

Takes a closure f and (a, a, a, …), then returns (f(a), f(a), f(a), …). Similar to std::iter::Iterator::map.

§Example
ⓘ
let a = (3, 4, 5, ...);
assert_eq!(a.map(|x| x * 2), (6, 8, 10, ...));
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fn nth(self, i: usize) -> Option<Self::Item>

return nth element in the tuple.

§Example
ⓘ
let a = (3, 4, 5, ..);
assert_eq!(a.nth(2), Some(5));
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fn same(self) -> bool
where Self::Item: PartialEq,

Checks if all elements of the tuple is same.

§Example
ⓘ
let a = (3, 3, 3, ...);
assert!(a.same());
Source

fn same_as(self, i: Self::Item) -> bool
where Self::Item: PartialEq,

Takes i and checks if all elements of the tuple is same as i.

§Example
ⓘ
let a = (3, 3, 3, ...);
assert!(a.same_as(3));
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fn sum(self) -> Self::Item
where Self::Item: AddAssign,

Takes (a, b, c, ...) then returns a + b + c ...

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fn product(self) -> Self::Item
where Self::Item: MulAssign,

Takes (a, b, c, ...) then returns a + b + c ...

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fn tmax(self) -> Self::Item
where Self::Item: PartialOrd,

Takes (a, b, c, ...) then returns the maximum value of tuple. This method is named tmax instead of max, to avoid overlap to std::cmp::ord::max.

Source

fn tmin(self) -> Self::Item
where Self::Item: PartialOrd,

Takes (a, b, c, ...) then returns the minimum value of tuple. This method is named tmin instead of min, to avoid overlap to std::cmp::ord::min.

Source

fn zip<U, B>( self, other: U, ) -> ((Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B))
where U: TupleMap7<Item = B>,

Takes (a, a, a, ...) and (b, b, b, ...) then returns ((a, b), (a, b), (a, b), ...)

§Example
ⓘ
let a = (3, 4, 5, ...);
let b = ('a', 'b', 'c', ...);
assert_eq!(a.zip(b), ((3, 'a'), (4, 'b'), (5, 'c'), ...));
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fn zipf<U, I, F, B>(self, other: U, f: F) -> (B, B, B, B, B, B, B)
where U: TupleMap7<Item = I>, F: FnMut(Self::Item, I) -> B,

Takes (a, a, a, ...) and (b, b, b, ...) and closure f, then returns (f(a, b), f(a, b), f(a, b), ...)

§Example
ⓘ
let a = (3, 4, 5, ...);
let b = ('a', 'b', 'c', ...);
assert_eq!(
    a.zipf(b, |x, y| format!("{}{}", x, y)),
    ("3a", "4b", "5c", ...).map(|x| x.to_owned())
);

Provided Methods§

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fn cloned( &self, ) -> (Self::Item, Self::Item, Self::Item, Self::Item, Self::Item, Self::Item, Self::Item)
where Self::Item: Clone,

Takes &(a, a, a, ...) and returns (a, a, a, ...)

§Examples
ⓘ
let a = (3, 3, 3, ..,);
assert_eq!(a, a.clone());
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fn add<U, I, B>(self, other: U) -> (B, B, B, B, B, B, B)
where U: TupleMap7<Item = I>, Self::Item: Add<I, Output = B>, Self: Sized,

Takes (a, a, a, ...) and (b, b, b, ...), then returns (a + b, a + b, a + b, ...)

§Example
ⓘ
let a = (3, 4, 5, ...);
let b = (7, 8, 9, ....)
assert_eq!(a.add(b), (10, 12, 14, ...));
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fn sub<U, I, B>(self, other: U) -> (B, B, B, B, B, B, B)
where U: TupleMap7<Item = I>, Self::Item: Sub<I, Output = B>, Self: Sized,

Takes (a, a, a, ...) and (b, b, b, ...), then returns (a - b, a - b, a - b, ...)

§Example
ⓘ
let a = (7, 8, 9, ....);
let b = (3, 4, 5, ....);
assert!(a.sub(b).same());
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fn mul<U, I, B>(self, other: U) -> (B, B, B, B, B, B, B)
where U: TupleMap7<Item = I>, Self::Item: Mul<I, Output = B>, Self: Sized,

Takes (a, a, a, ...) and (b, b, b, ...), then returns (a * b, a * b, a * b, ...)

§Example
ⓘ
let a = (7, 8, 9, ....);
let b = (3, 4, 5, ....);
assert_eq!(a.mul(b), (21, 32, 45, ...));
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fn div<U, I, B>(self, other: U) -> (B, B, B, B, B, B, B)
where U: TupleMap7<Item = I>, Self::Item: Div<I, Output = B>, Self: Sized,

Takes (a, a, a, ...) and (b, b, b, ...), then returns (a * b, a * b, a * b, ...)

§Example
ⓘ
let a = (6, 8, 10, ....);
let b = (3, 4, 5, ....);
assert!(a.div(b).same());

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types§

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impl<T> TupleMap7 for (T, T, T, T, T, T, T)

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type Item = T

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fn any<F>(self, f: F) -> bool
where F: FnMut(Self::Item) -> bool,

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fn all<F>(self, f: F) -> bool
where F: FnMut(Self::Item) -> bool,

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fn by_ref( &self, ) -> (&Self::Item, &Self::Item, &Self::Item, &Self::Item, &Self::Item, &Self::Item, &Self::Item)

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fn by_ref_mut( &mut self, ) -> (&mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item, &mut Self::Item)

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fn find<F>(self, f: F) -> Option<Self::Item>
where F: FnMut(&Self::Item) -> bool,

Source§

fn fold<B, F>(self, init: B, f: F) -> B
where F: FnMut(B, Self::Item) -> B,

Source§

fn for_each<F>(self, f: F)
where F: FnMut(Self::Item),

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fn id( self, ) -> (Self::Item, Self::Item, Self::Item, Self::Item, Self::Item, Self::Item, Self::Item)

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fn into_vec(self) -> Vec<Self::Item>

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fn nth(self, i: usize) -> Option<Self::Item>

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fn map<B, F>(self, f: F) -> (B, B, B, B, B, B, B)
where F: FnMut(Self::Item) -> B,

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fn same(self) -> bool
where Self::Item: PartialEq,

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fn same_as(self, i: Self::Item) -> bool
where Self::Item: PartialEq,

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fn sum(self) -> Self::Item
where Self::Item: AddAssign,

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fn product(self) -> Self::Item
where Self::Item: MulAssign,

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fn tmax(self) -> Self::Item
where Self::Item: PartialOrd,

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fn tmin(self) -> Self::Item
where Self::Item: PartialOrd,

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fn zip<U, B>( self, other: U, ) -> ((Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B), (Self::Item, B))
where U: TupleMap7<Item = B>,

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fn zipf<U, I, F, B>(self, other: U, f: F) -> (B, B, B, B, B, B, B)
where U: TupleMap7<Item = I>, F: FnMut(Self::Item, I) -> B,

Implementors§