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