Trait sp_std::iter::Product

[+] Show declaration

pub trait Product<A = Self> {
    pub fn product<I>(iter: I) -> Self
    where
        I: Iterator<Item = A>;
}

[−] Expand description

Trait to represent types that can be created by multiplying elements of an iterator.

This trait is used to implement the product() method on iterators. Types which implement the trait can be generated by the product() method. Like FromIterator this trait should rarely be called directly and instead interacted with through Iterator::product().

Required methods

pub fn product<I>(iter: I) -> Self where
    I: Iterator<Item = A>, [−]

Method which takes an iterator and generates Self from the elements by multiplying the items.

Implementations on Foreign Types

impl Product<i16> for i16[−]

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pub fn product<I>(iter: I) -> i16 where
    I: Iterator<Item = i16>, 

impl<'a> Product<&'a i16> for i16[−]

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pub fn product<I>(iter: I) -> i16 where
    I: Iterator<Item = &'a i16>, 

impl<'a> Product<&'a i64> for i64[−]

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pub fn product<I>(iter: I) -> i64 where
    I: Iterator<Item = &'a i64>, 

impl<'a> Product<&'a usize> for usize[−]

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pub fn product<I>(iter: I) -> usize where
    I: Iterator<Item = &'a usize>, 

impl Product<f64> for f64[−]

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pub fn product<I>(iter: I) -> f64 where
    I: Iterator<Item = f64>, 

impl Product<u16> for u16[−]

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pub fn product<I>(iter: I) -> u16 where
    I: Iterator<Item = u16>, 

impl<'a> Product<&'a f32> for f32[−]

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pub fn product<I>(iter: I) -> f32 where
    I: Iterator<Item = &'a f32>, 

impl Product<u8> for u8[−]

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pub fn product<I>(iter: I) -> u8 where
    I: Iterator<Item = u8>, 

impl<'a> Product<&'a u64> for u64[−]

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pub fn product<I>(iter: I) -> u64 where
    I: Iterator<Item = &'a u64>, 

impl<T, U> Product<Option<U>> for Option<T> where
    T: Product<U>, [−]

pub fn product<I>(iter: I) -> Option<T> where
    I: Iterator<Item = Option<U>>, [−]

Takes each element in the Iterator: if it is a None, no further elements are taken, and the None is returned. Should no None occur, the product of all elements is returned.

impl Product<i8> for i8[−]

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pub fn product<I>(iter: I) -> i8 where
    I: Iterator<Item = i8>, 

impl<'a> Product<&'a f64> for f64[−]

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pub fn product<I>(iter: I) -> f64 where
    I: Iterator<Item = &'a f64>, 

impl<'a> Product<&'a i128> for i128[−]

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pub fn product<I>(iter: I) -> i128 where
    I: Iterator<Item = &'a i128>, 

impl<'a> Product<&'a u8> for u8[−]

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pub fn product<I>(iter: I) -> u8 where
    I: Iterator<Item = &'a u8>, 

impl<'a> Product<&'a i32> for i32[−]

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pub fn product<I>(iter: I) -> i32 where
    I: Iterator<Item = &'a i32>, 

impl Product<u32> for u32[−]

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pub fn product<I>(iter: I) -> u32 where
    I: Iterator<Item = u32>, 

impl Product<f32> for f32[−]

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pub fn product<I>(iter: I) -> f32 where
    I: Iterator<Item = f32>, 

impl<'a> Product<&'a u32> for u32[−]

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pub fn product<I>(iter: I) -> u32 where
    I: Iterator<Item = &'a u32>, 

impl Product<u128> for u128[−]

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pub fn product<I>(iter: I) -> u128 where
    I: Iterator<Item = u128>, 

impl<'a> Product<&'a u128> for u128[−]

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pub fn product<I>(iter: I) -> u128 where
    I: Iterator<Item = &'a u128>, 

impl<'a> Product<&'a isize> for isize[−]

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pub fn product<I>(iter: I) -> isize where
    I: Iterator<Item = &'a isize>, 

impl<'a> Product<&'a u16> for u16[−]

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pub fn product<I>(iter: I) -> u16 where
    I: Iterator<Item = &'a u16>, 

impl Product<i32> for i32[−]

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pub fn product<I>(iter: I) -> i32 where
    I: Iterator<Item = i32>, 

impl<'a> Product<&'a i8> for i8[−]

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pub fn product<I>(iter: I) -> i8 where
    I: Iterator<Item = &'a i8>, 

impl Product<isize> for isize[−]

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pub fn product<I>(iter: I) -> isize where
    I: Iterator<Item = isize>, 

impl Product<i128> for i128[−]

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pub fn product<I>(iter: I) -> i128 where
    I: Iterator<Item = i128>, 

impl Product<i64> for i64[−]

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pub fn product<I>(iter: I) -> i64 where
    I: Iterator<Item = i64>, 

impl Product<u64> for u64[−]

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pub fn product<I>(iter: I) -> u64 where
    I: Iterator<Item = u64>, 

impl Product<usize> for usize[−]

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pub fn product<I>(iter: I) -> usize where
    I: Iterator<Item = usize>, 

Implementors

impl Product<Wrapping<i8>> for Wrapping<i8>[+]

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pub fn product<I>(iter: I) -> Wrapping<i8> where
    I: Iterator<Item = Wrapping<i8>>, 

impl Product<Wrapping<i16>> for Wrapping<i16>[+]

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pub fn product<I>(iter: I) -> Wrapping<i16> where
    I: Iterator<Item = Wrapping<i16>>, 

impl Product<Wrapping<i32>> for Wrapping<i32>[+]

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pub fn product<I>(iter: I) -> Wrapping<i32> where
    I: Iterator<Item = Wrapping<i32>>, 

impl Product<Wrapping<i64>> for Wrapping<i64>[+]

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pub fn product<I>(iter: I) -> Wrapping<i64> where
    I: Iterator<Item = Wrapping<i64>>, 

impl Product<Wrapping<i128>> for Wrapping<i128>[+]

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pub fn product<I>(iter: I) -> Wrapping<i128> where
    I: Iterator<Item = Wrapping<i128>>, 

impl Product<Wrapping<isize>> for Wrapping<isize>[+]

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pub fn product<I>(iter: I) -> Wrapping<isize> where
    I: Iterator<Item = Wrapping<isize>>, 

impl Product<Wrapping<u8>> for Wrapping<u8>[+]

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pub fn product<I>(iter: I) -> Wrapping<u8> where
    I: Iterator<Item = Wrapping<u8>>, 

impl Product<Wrapping<u16>> for Wrapping<u16>[+]

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pub fn product<I>(iter: I) -> Wrapping<u16> where
    I: Iterator<Item = Wrapping<u16>>, 

impl Product<Wrapping<u32>> for Wrapping<u32>[+]

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pub fn product<I>(iter: I) -> Wrapping<u32> where
    I: Iterator<Item = Wrapping<u32>>, 

impl Product<Wrapping<u64>> for Wrapping<u64>[+]

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pub fn product<I>(iter: I) -> Wrapping<u64> where
    I: Iterator<Item = Wrapping<u64>>, 

impl Product<Wrapping<u128>> for Wrapping<u128>[+]

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pub fn product<I>(iter: I) -> Wrapping<u128> where
    I: Iterator<Item = Wrapping<u128>>, 

impl Product<Wrapping<usize>> for Wrapping<usize>[+]

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pub fn product<I>(iter: I) -> Wrapping<usize> where
    I: Iterator<Item = Wrapping<usize>>, 

impl<'a> Product<&'a Wrapping<i8>> for Wrapping<i8>[+]

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pub fn product<I>(iter: I) -> Wrapping<i8> where
    I: Iterator<Item = &'a Wrapping<i8>>, 

impl<'a> Product<&'a Wrapping<i16>> for Wrapping<i16>[+]

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pub fn product<I>(iter: I) -> Wrapping<i16> where
    I: Iterator<Item = &'a Wrapping<i16>>, 

impl<'a> Product<&'a Wrapping<i32>> for Wrapping<i32>[+]

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pub fn product<I>(iter: I) -> Wrapping<i32> where
    I: Iterator<Item = &'a Wrapping<i32>>, 

impl<'a> Product<&'a Wrapping<i64>> for Wrapping<i64>[+]

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pub fn product<I>(iter: I) -> Wrapping<i64> where
    I: Iterator<Item = &'a Wrapping<i64>>, 

impl<'a> Product<&'a Wrapping<i128>> for Wrapping<i128>[+]

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pub fn product<I>(iter: I) -> Wrapping<i128> where
    I: Iterator<Item = &'a Wrapping<i128>>, 

impl<'a> Product<&'a Wrapping<isize>> for Wrapping<isize>[+]

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pub fn product<I>(iter: I) -> Wrapping<isize> where
    I: Iterator<Item = &'a Wrapping<isize>>, 

impl<'a> Product<&'a Wrapping<u8>> for Wrapping<u8>[+]

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pub fn product<I>(iter: I) -> Wrapping<u8> where
    I: Iterator<Item = &'a Wrapping<u8>>, 

impl<'a> Product<&'a Wrapping<u16>> for Wrapping<u16>[+]

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pub fn product<I>(iter: I) -> Wrapping<u16> where
    I: Iterator<Item = &'a Wrapping<u16>>, 

impl<'a> Product<&'a Wrapping<u32>> for Wrapping<u32>[+]

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pub fn product<I>(iter: I) -> Wrapping<u32> where
    I: Iterator<Item = &'a Wrapping<u32>>, 

impl<'a> Product<&'a Wrapping<u64>> for Wrapping<u64>[+]

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pub fn product<I>(iter: I) -> Wrapping<u64> where
    I: Iterator<Item = &'a Wrapping<u64>>, 

impl<'a> Product<&'a Wrapping<u128>> for Wrapping<u128>[+]

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pub fn product<I>(iter: I) -> Wrapping<u128> where
    I: Iterator<Item = &'a Wrapping<u128>>, 

impl<'a> Product<&'a Wrapping<usize>> for Wrapping<usize>[+]

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pub fn product<I>(iter: I) -> Wrapping<usize> where
    I: Iterator<Item = &'a Wrapping<usize>>, 

impl<T, U, E> Product<Result<U, E>> for Result<T, E> where
    T: Product<U>, [+]

pub fn product<I>(iter: I) -> Result<T, E> where
    I: Iterator<Item = Result<U, E>>, [−]

Takes each element in the Iterator: if it is an Err, no further elements are taken, and the Err is returned. Should no Err occur, the product of all elements is returned.

impl<T> Product<T> for Scalar where     T: Borrow<Scalar>,

impl<N, D: DimName> Product<Matrix<N, D, D, <DefaultAllocator as Allocator<N, D, D>>::Buffer>> for MatrixN<N, D> where     N: Scalar + Zero + One + ClosedMul + ClosedAdd,     DefaultAllocator: Allocator<N, D, D>,

impl<'a, N, D: DimName> Product<&'a Matrix<N, D, D, <DefaultAllocator as Allocator<N, D, D>>::Buffer>> for MatrixN<N, D> where     N: Scalar + Zero + One + ClosedMul + ClosedAdd,     DefaultAllocator: Allocator<N, D, D>,

impl<T> Product<T> for BigInt where     BigInt: Mul<T, Output = BigInt>,

impl<T> Product<T> for BigUint where     BigUint: Mul<T, Output = BigUint>,

impl<T: Num + Clone> Product<Complex<T>> for Complex<T>

impl<'a, T: 'a + Num + Clone> Product<&'a Complex<T>> for Complex<T>

impl<T: Integer + Clone> Product<Ratio<T>> for Ratio<T>

impl<'a, T: Integer + Clone> Product<&'a Ratio<T>> for Ratio<T>

impl<Frac: LeEqU8> Product<FixedU8<Frac>> for FixedU8<Frac>

impl<'a, Frac: 'a + LeEqU8> Product<&'a FixedU8<Frac>> for FixedU8<Frac>

impl<Frac: LeEqU16> Product<FixedU16<Frac>> for FixedU16<Frac>

impl<'a, Frac: 'a + LeEqU16> Product<&'a FixedU16<Frac>> for FixedU16<Frac>

impl<Frac: LeEqU32> Product<FixedU32<Frac>> for FixedU32<Frac>

impl<'a, Frac: 'a + LeEqU32> Product<&'a FixedU32<Frac>> for FixedU32<Frac>

impl<Frac: LeEqU64> Product<FixedU64<Frac>> for FixedU64<Frac>

impl<'a, Frac: 'a + LeEqU64> Product<&'a FixedU64<Frac>> for FixedU64<Frac>

impl<Frac: LeEqU128> Product<FixedU128<Frac>> for FixedU128<Frac>

impl<'a, Frac: 'a + LeEqU128> Product<&'a FixedU128<Frac>> for FixedU128<Frac>

impl<Frac: LeEqU8> Product<FixedI8<Frac>> for FixedI8<Frac>

impl<'a, Frac: 'a + LeEqU8> Product<&'a FixedI8<Frac>> for FixedI8<Frac>

impl<Frac: LeEqU16> Product<FixedI16<Frac>> for FixedI16<Frac>

impl<'a, Frac: 'a + LeEqU16> Product<&'a FixedI16<Frac>> for FixedI16<Frac>

impl<Frac: LeEqU32> Product<FixedI32<Frac>> for FixedI32<Frac>

impl<'a, Frac: 'a + LeEqU32> Product<&'a FixedI32<Frac>> for FixedI32<Frac>

impl<Frac: LeEqU64> Product<FixedI64<Frac>> for FixedI64<Frac>

impl<'a, Frac: 'a + LeEqU64> Product<&'a FixedI64<Frac>> for FixedI64<Frac>

impl<Frac: LeEqU128> Product<FixedI128<Frac>> for FixedI128<Frac>

impl<'a, Frac: 'a + LeEqU128> Product<&'a FixedI128<Frac>> for FixedI128<Frac>

impl<F: Fixed> Product<Wrapping<F>> for Wrapping<F>

impl<'a, F: 'a + Fixed> Product<&'a Wrapping<F>> for Wrapping<F>