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<u32>> for Wrapping<u32>impl<'a> Sum<&'a Wrapping<i8>> for Wrapping<i8>impl<'a> Sum<&'a f32> for f32impl<'a> Sum<&'a i16> for i16impl<'a> Sum<&'a i64> for i64impl Sum<Wrapping<i8>> for Wrapping<i8>impl Sum<u32> for u32impl<'a> Sum<&'a Wrapping<i16>> for Wrapping<i16>impl<'a> Sum<&'a Wrapping<i128>> for Wrapping<i128>impl Sum<Wrapping<u64>> for Wrapping<u64>impl<'a> Sum<&'a i8> for i8impl Sum<i32> for i32impl Sum<Wrapping<i16>> for Wrapping<i16>impl<'a> Sum<&'a Wrapping<i32>> for Wrapping<i32>impl<'a> Sum<&'a f64> for f64impl<'a> Sum<&'a Wrapping<isize>> for Wrapping<isize>impl Sum<usize> for usizeimpl Sum<Wrapping<i64>> for Wrapping<i64>impl Sum<u16> for u16impl Sum<Wrapping<u16>> for Wrapping<u16>impl<'a> Sum<&'a Wrapping<u32>> for Wrapping<u32>impl Sum<i16> for i16impl Sum<Wrapping<i32>> for Wrapping<i32>impl Sum<i128> for i128impl Sum<isize> for isizeimpl<'a> Sum<&'a u64> for u64impl Sum<f32> for f32impl<'a> Sum<&'a usize> for usizeimpl<'a> Sum<&'a Wrapping<i64>> for Wrapping<i64>impl Sum<Wrapping<isize>> for Wrapping<isize>impl<'a> Sum<&'a u128> for u128impl<'a> Sum<&'a i32> for i32impl<'a> Sum<&'a i128> for i128impl Sum<u128> for u128impl Sum<i8> for i8impl<'a> Sum<&'a Wrapping<u16>> for Wrapping<u16>impl<'a> Sum<&'a Wrapping<usize>> for Wrapping<usize>impl Sum<Wrapping<u128>> for Wrapping<u128>impl Sum<i64> for i64impl<'a> Sum<&'a Wrapping<u128>> for Wrapping<u128>impl<'a> Sum<&'a u16> for u16impl Sum<Wrapping<i128>> for Wrapping<i128>impl<'a> Sum<&'a isize> for isizeimpl<'a> Sum<&'a Wrapping<u64>> for Wrapping<u64>impl Sum<u8> for u8impl<'a> Sum<&'a u8> for u8impl<'a> Sum<&'a Wrapping<u8>> for Wrapping<u8>impl<'a> Sum<&'a u32> for u32impl Sum<Wrapping<usize>> for Wrapping<usize>impl Sum<f64> for f64impl Sum<u64> for u64impl Sum<Wrapping<u8>> for Wrapping<u8>impl Sum for Durationimpl<'a> Sum<&'a Duration> for Duration