A skeleton code for Iterator in Rust
Posted: October 13, 2015 Filed under: Code | Tags: iterator, rust Leave a commentFor record, I wrote down the same code.
Consuming Iterator
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| pub struct TaskSet; | |
| pub struct TaskSetIterator { | |
| … | |
| } | |
| impl Iterator for TaskSetIterator { | |
| type Item = Task; | |
| fn next(&mut self) -> Option<Task> { | |
| …. | |
| } | |
| } | |
| pub struct Task; | |
| impl IntoIterator for TaskSet { | |
| type Item = Task; | |
| type IntoIter = TaskSetIterator; | |
| fn into_iter(self) -> Self::IntoIter { | |
| TaskSetIterator { … } | |
| } | |
| } |
Iterator that does not consume items
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| pub struct TaskSetRefIterator<'a> | |
| { | |
| …. | |
| } | |
| impl<'a> Iterator for TaskSetRefIterator<'a> { | |
| type Item = &'a Task; | |
| fn next(&mut self) -> Option<&'a Task> { | |
| None | |
| } | |
| } | |
| impl<'a> IntoIterator for &'a TaskSet { | |
| type Item = &'a Task; | |
| type IntoIter = TaskSetRefIterator<'a>; | |
| fn into_iter(self) -> Self::IntoIter { | |
| TaskSetRefIterator { … } | |
| } | |
| } |
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