Enum core::iter::MinMaxResultUnstable

pub enum MinMaxResult<T> {
    NoElements,
    OneElement(T),
    MinMax(T, T),
}

MinMaxResult is an enum returned by min_max. See IteratorOrdExt::min_max for more detail.

Variants

NoElements	Empty iterator
OneElement	Iterator with one element, so the minimum and maximum are the same
MinMax	More than one element in the iterator, the first element is not larger than the second

Methods

impl<T: Clone> MinMaxResult<T>

fn into_option(self) -> Option<(T, T)>

into_option creates an Option of type (T,T). The returned Option has variant None if and only if the MinMaxResult has variant NoElements. Otherwise variant Some(x,y) is returned where x <= y. If MinMaxResult has variant OneElement(x), performing this operation will make one clone of x.

Example

fn main() { use std::iter::{NoElements, OneElement, MinMax, MinMaxResult}; let r: MinMaxResult<int> = NoElements; assert_eq!(r.into_option(), None); let r = OneElement(1i); assert_eq!(r.into_option(), Some((1,1))); let r = MinMax(1i,2i); assert_eq!(r.into_option(), Some((1,2))); }

use std::iter::{NoElements, OneElement, MinMax, MinMaxResult};

let r: MinMaxResult<int> = NoElements;
assert_eq!(r.into_option(), None);

let r = OneElement(1i);
assert_eq!(r.into_option(), Some((1,1)));

let r = MinMax(1i,2i);
assert_eq!(r.into_option(), Some((1,2)));

Trait Implementations

Derived Implementations

impl<T: Show> Show for MinMaxResult<T>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

impl<T: PartialEq> PartialEq for MinMaxResult<T>

fn eq(&self, __arg_0: &MinMaxResult<T>) -> bool

fn ne(&self, __arg_0: &MinMaxResult<T>) -> bool

impl<T: Clone> Clone for MinMaxResult<T>

fn clone(&self) -> MinMaxResult<T>

fn clone_from(&mut self, source: &Self)