Struct core_extensions::iterators::IterConstructor [−][src]
pub struct IterConstructor<F> { pub f: F, }
Constructs Iterators using a closure.
This can construct an Iterator (with IntoIterator::into_iter) multiple times if the closure is Copy.
Closures can be Copy and/or Clone since Rust 1.26.
Example
This example only runs from Rust 1.26 onwards,
use core_extensions::iterators::IterConstructor; let list=vec!["hello","world"]; let constructor=IterConstructor::new(||{ list.iter().enumerate().map(|(i,v)| v.repeat(i) ) }); let list_2=vec!["".to_string(),"world".into()]; assert_eq!(constructor.into_iter().collect::<Vec<_>>() , list_2); assert_eq!(constructor.into_iter().collect::<Vec<_>>() , list_2);
Fields
f: F
The closure.
Methods
impl<F> IterConstructor<F>
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impl<F> IterConstructor<F>
Trait Implementations
impl<F: Copy> Copy for IterConstructor<F>
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impl<F: Copy> Copy for IterConstructor<F>
impl<F: Clone> Clone for IterConstructor<F>
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impl<F: Clone> Clone for IterConstructor<F>
fn clone(&self) -> IterConstructor<F>
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fn clone(&self) -> IterConstructor<F>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
1.0.0
[src]Performs copy-assignment from source
. Read more
impl<F, I> IntoIterator for IterConstructor<F> where
F: FnOnce() -> I,
I: Iterator,
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impl<F, I> IntoIterator for IterConstructor<F> where
F: FnOnce() -> I,
I: Iterator,
Auto Trait Implementations
impl<F> Send for IterConstructor<F> where
F: Send,
impl<F> Send for IterConstructor<F> where
F: Send,
impl<F> Sync for IterConstructor<F> where
F: Sync,
impl<F> Sync for IterConstructor<F> where
F: Sync,