Trait std::iter::Sum 1.12.0
[−]
[src]
pub trait Sum<A = Self> {
fn sum<I>(iter: I) -> Self
where
I: Iterator<Item = A>;
}Trait to represent types that can be created by summing up an iterator.
This trait is used to implement the sum method on iterators. Types which
implement the trait can be generated by the sum method. Like
FromIterator this trait should rarely be called directly and instead
interacted with through Iterator::sum.
Required Methods
fn sum<I>(iter: I) -> Self where
I: Iterator<Item = A>,
I: Iterator<Item = A>,
Method which takes an iterator and generates Self from the elements by
"summing up" the items.
Implementors
impl<T, U, E> Sum<Result<U, E>> for Result<T, E> where
T: Sum<U>,impl Sum<Wrapping<i32>> for Wrapping<i32>impl Sum<i32> for i32impl<'a> Sum<&'a isize> for isizeimpl Sum<u16> for u16impl Sum<i128> for i128impl Sum<Wrapping<u32>> for Wrapping<u32>impl<'a> Sum<&'a u128> for u128impl Sum<i8> for i8impl Sum<f64> for f64impl<'a> Sum<&'a u16> for u16impl Sum<Wrapping<i8>> for Wrapping<i8>impl<'a> Sum<&'a i64> for i64impl Sum<isize> for isizeimpl Sum<usize> for usizeimpl Sum<u32> for u32impl Sum<f32> for f32impl Sum<Wrapping<u128>> for Wrapping<u128>impl<'a> Sum<&'a usize> for usizeimpl<'a> Sum<&'a f64> for f64impl<'a> Sum<&'a Wrapping<u32>> for Wrapping<u32>impl<'a> Sum<&'a Wrapping<i16>> for Wrapping<i16>impl<'a> Sum<&'a Wrapping<u8>> for Wrapping<u8>impl Sum<Wrapping<u8>> for Wrapping<u8>impl Sum<Wrapping<isize>> for Wrapping<isize>impl Sum<Wrapping<usize>> for Wrapping<usize>impl Sum<Wrapping<i128>> for Wrapping<i128>impl<'a> Sum<&'a Wrapping<u64>> for Wrapping<u64>impl<'a> Sum<&'a Wrapping<i64>> for Wrapping<i64>impl Sum<u8> for u8impl<'a> Sum<&'a i32> for i32impl<'a> Sum<&'a u8> for u8impl Sum<i64> for i64impl<'a> Sum<&'a Wrapping<i32>> for Wrapping<i32>impl<'a> Sum<&'a Wrapping<usize>> for Wrapping<usize>impl<'a> Sum<&'a Wrapping<isize>> for Wrapping<isize>impl<'a> Sum<&'a u64> for u64impl Sum<u128> for u128impl<'a> Sum<&'a Wrapping<i128>> for Wrapping<i128>impl<'a> Sum<&'a i16> for i16impl<'a> Sum<&'a i8> for i8impl<'a> Sum<&'a f32> for f32impl Sum<Wrapping<i64>> for Wrapping<i64>impl Sum<u64> for u64impl<'a> Sum<&'a u32> for u32impl Sum<Wrapping<u16>> for Wrapping<u16>impl<'a> Sum<&'a Wrapping<u16>> for Wrapping<u16>impl Sum<i16> for i16impl<'a> Sum<&'a i128> for i128impl Sum<Wrapping<u64>> for Wrapping<u64>impl Sum<Wrapping<i16>> for Wrapping<i16>impl<'a> Sum<&'a Wrapping<u128>> for Wrapping<u128>impl<'a> Sum<&'a Wrapping<i8>> for Wrapping<i8>impl Sum for Durationimpl<'a> Sum<&'a Duration> for Duration