Function core::result::fold
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[src]
pub fn fold<T, V, E, F: FnMut(V, T) -> V, Iter: Iterator<Item=Result<T, E>>>(iterator: Iter, init: V, f: F) -> Result<V, E>
Deprecated since 1.2.0
: has not seen enough usage to justify its position in the standard library
Performs a fold operation over the result values from an iterator.
If an Err is encountered, it is immediately returned.
Otherwise, the folded value is returned.