pub struct Components<'a> { /* fields omitted */ }
The core iterator giving the components of a path.
See the module documentation for an in-depth explanation of components and their role in the API.
This struct is created by the path::Path::components method.
use std::path::Path;
let path = Path::new("/tmp/foo/bar.txt");
for component in path.components() {
println!("{:?}", component);
} impl<'a> Components<'a>
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fn as_path(&self) -> &'a PathExtracts a slice corresponding to the portion of the path remaining for iteration.
use std::path::Path;
let mut components = Path::new("/tmp/foo/bar.txt").components();
components.next();
components.next();
assert_eq!(Path::new("foo/bar.txt"), components.as_path()); impl<'a> Clone for Components<'a>
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fn clone(&self) -> Components<'a>Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)Performs copy-assignment from source. Read more
impl<'a> Debug for Components<'a>
fn fmt(&self, f: &mut Formatter) -> ResultFormats the value using the given formatter.
impl<'a> AsRef<Path> for Components<'a>
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fn as_ref(&self) -> &PathPerforms the conversion.
impl<'a> AsRef<OsStr> for Components<'a>
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fn as_ref(&self) -> &OsStrPerforms the conversion.
impl<'a> Iterator for Components<'a>
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type Item = Component<'a>The type of the elements being iterated over.
fn next(&mut self) -> Option<Component<'a>>Advances the iterator and returns the next value. Read more
fn size_hint(&self) -> (usize, Option<usize>)Returns the bounds on the remaining length of the iterator. Read more
fn count(self) -> usizeConsumes the iterator, counting the number of iterations and returning it. Read more
fn last(self) -> Option<Self::Item>Consumes the iterator, returning the last element. Read more
fn nth(&mut self, n: usize) -> Option<Self::Item>Returns the nth element of the iterator. Read more
fn chain<U>(self, other: U) -> Chain<Self, U::IntoIter> where U: IntoIterator<Item=Self::Item>Takes two iterators and creates a new iterator over both in sequence. Read more
fn zip<U>(self, other: U) -> Zip<Self, U::IntoIter> where U: IntoIterator'Zips up' two iterators into a single iterator of pairs. Read more
fn map<B, F>(self, f: F) -> Map<Self, F> where F: FnMut(Self::Item) -> BTakes a closure and creates an iterator which calls that closure on each element. Read more
fn filter<P>(self, predicate: P) -> Filter<Self, P> where P: FnMut(&Self::Item) -> boolCreates an iterator which uses a closure to determine if an element should be yielded. Read more
fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F> where F: FnMut(Self::Item) -> Option<B>Creates an iterator that both filters and maps. Read more
fn enumerate(self) -> Enumerate<Self>Creates an iterator which gives the current iteration count as well as the next value. Read more
fn peekable(self) -> Peekable<Self>Creates an iterator which can use peek to look at the next element of the iterator without consuming it. Read more
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P> where P: FnMut(&Self::Item) -> boolCreates an iterator that [skip()]s elements based on a predicate. Read more
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P> where P: FnMut(&Self::Item) -> boolCreates an iterator that yields elements based on a predicate. Read more
fn skip(self, n: usize) -> Skip<Self>Creates an iterator that skips the first n elements. Read more
fn take(self, n: usize) -> Take<Self>Creates an iterator that yields its first n elements. Read more
fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F> where F: FnMut(&mut St, Self::Item) -> Option<B>An iterator adaptor similar to [fold()] that holds internal state and produces a new iterator. Read more
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where F: FnMut(Self::Item) -> U, U: IntoIteratorCreates an iterator that works like map, but flattens nested structure. Read more
fn fuse(self) -> Fuse<Self>Creates an iterator which ends after the first [None]. Read more
fn inspect<F>(self, f: F) -> Inspect<Self, F> where F: FnMut(&Self::Item) -> ()Do something with each element of an iterator, passing the value on. Read more
fn by_ref(&mut self) -> &mut SelfBorrows an iterator, rather than consuming it. Read more
fn collect<B>(self) -> B where B: FromIterator<Self::Item>Transforms an iterator into a collection. Read more
fn partition<B, F>(self, f: F) -> (B, B) where B: Default + Extend<Self::Item>, F: FnMut(&Self::Item) -> boolConsumes an iterator, creating two collections from it. Read more
fn fold<B, F>(self, init: B, f: F) -> B where F: FnMut(B, Self::Item) -> BAn iterator adaptor that applies a function, producing a single, final value. Read more
fn all<F>(&mut self, f: F) -> bool where F: FnMut(Self::Item) -> boolTests if every element of the iterator matches a predicate. Read more
fn any<F>(&mut self, f: F) -> bool where F: FnMut(Self::Item) -> boolTests if any element of the iterator matches a predicate. Read more
fn find<P>(&mut self, predicate: P) -> Option<Self::Item> where P: FnMut(&Self::Item) -> boolSearches for an element of an iterator that satisfies a predicate. Read more
fn position<P>(&mut self, predicate: P) -> Option<usize> where P: FnMut(Self::Item) -> boolSearches for an element in an iterator, returning its index. Read more
fn rposition<P>(&mut self, predicate: P) -> Option<usize> where P: FnMut(Self::Item) -> bool,
Self: ExactSizeIterator + DoubleEndedIteratorSearches for an element in an iterator from the right, returning its index. Read more
fn max(self) -> Option<Self::Item> where Self::Item: OrdReturns the maximum element of an iterator. Read more
fn min(self) -> Option<Self::Item> where Self::Item: OrdReturns the minimum element of an iterator. Read more
fn max_by_key<B, F>(self, f: F) -> Option<Self::Item> where B: Ord, F: FnMut(&Self::Item) -> BReturns the element that gives the maximum value from the specified function. Read more
fn max_by<F>(self, compare: F) -> Option<Self::Item> where F: FnMut(&Self::Item, &Self::Item) -> OrderingReturns the element that gives the maximum value with respect to the specified comparison function. Read more
fn min_by_key<B, F>(self, f: F) -> Option<Self::Item> where B: Ord, F: FnMut(&Self::Item) -> BReturns the element that gives the minimum value from the specified function. Read more
fn min_by<F>(self, compare: F) -> Option<Self::Item> where F: FnMut(&Self::Item, &Self::Item) -> OrderingReturns the element that gives the minimum value with respect to the specified comparison function. Read more
fn rev(self) -> Rev<Self> where Self: DoubleEndedIteratorReverses an iterator's direction. Read more
fn unzip<A, B, FromA, FromB>(self) -> (FromA, FromB) where FromA: Default + Extend<A>,
FromB: Default + Extend<B>,
Self: Iterator<Item=(A, B)>Converts an iterator of pairs into a pair of containers. Read more
fn cloned<'a, T>(self) -> Cloned<Self> where Self: Iterator<Item=&'a T>, T: 'a + CloneCreates an iterator which [clone()]s all of its elements. Read more
fn cycle(self) -> Cycle<Self> where Self: CloneRepeats an iterator endlessly. Read more
fn sum<S>(self) -> S where S: Sum<Self::Item>Sums the elements of an iterator. Read more
fn product<P>(self) -> P where P: Product<Self::Item>Iterates over the entire iterator, multiplying all the elements Read more
fn cmp<I>(self, other: I) -> Ordering where I: IntoIterator<Item=Self::Item>, Self::Item: OrdLexicographically compares the elements of this Iterator with those of another. Read more
fn partial_cmp<I>(self, other: I) -> Option<Ordering> where I: IntoIterator, Self::Item: PartialOrd<I::Item>Lexicographically compares the elements of this Iterator with those of another. Read more
fn eq<I>(self, other: I) -> bool where I: IntoIterator, Self::Item: PartialEq<I::Item>Determines if the elements of this Iterator are equal to those of another. Read more
fn ne<I>(self, other: I) -> bool where I: IntoIterator, Self::Item: PartialEq<I::Item>Determines if the elements of this Iterator are unequal to those of another. Read more
fn lt<I>(self, other: I) -> bool where I: IntoIterator, Self::Item: PartialOrd<I::Item>Determines if the elements of this Iterator are lexicographically less than those of another. Read more
fn le<I>(self, other: I) -> bool where I: IntoIterator, Self::Item: PartialOrd<I::Item>Determines if the elements of this Iterator are lexicographically less or equal to those of another. Read more
fn gt<I>(self, other: I) -> bool where I: IntoIterator, Self::Item: PartialOrd<I::Item>Determines if the elements of this Iterator are lexicographically greater than those of another. Read more
fn ge<I>(self, other: I) -> bool where I: IntoIterator, Self::Item: PartialOrd<I::Item>Determines if the elements of this Iterator are lexicographically greater than or equal to those of another. Read more
impl<'a> DoubleEndedIterator for Components<'a>
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fn next_back(&mut self) -> Option<Component<'a>>Removes and returns an element from the end of the iterator. Read more
impl<'a> FusedIterator for Components<'a>
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impl<'a> PartialEq for Components<'a>
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fn eq(&self, other: &Components<'a>) -> boolThis method tests for self and other values to be equal, and is used by ==. Read more
fn ne(&self, other: &Rhs) -> boolThis method tests for !=.
impl<'a> Eq for Components<'a>
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impl<'a> PartialOrd for Components<'a>
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fn partial_cmp(&self, other: &Components<'a>) -> Option<Ordering>This method returns an ordering between self and other values if one exists. Read more
fn lt(&self, other: &Rhs) -> boolThis method tests less than (for self and other) and is used by the < operator. Read more
fn le(&self, other: &Rhs) -> boolThis method tests less than or equal to (for self and other) and is used by the <= operator. Read more
fn gt(&self, other: &Rhs) -> boolThis method tests greater than (for self and other) and is used by the > operator. Read more
fn ge(&self, other: &Rhs) -> boolThis method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
impl<'a> Ord for Components<'a>
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fn cmp(&self, other: &Components<'a>) -> OrderingThis method returns an Ordering between self and other. Read more
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/path/struct.Components.html