#How do i Fix `value of type cannot be built from Iterator` Error?

3 messages · Page 1 of 1 (latest)

silver terrace
# 

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq, Hash)]
struct ContentItem {
    id: i32,
    name: String,
}

 let myitems = vec![
        ContentItem {
            id: 0,
            name: "Test item 0".to_string(),
        },
        ContentItem {
            id: 1,
            name: "Test item 1".to_string(),
        },
        ContentItem {
            id: 2,
            name: "Test item 2".to_string(),
        },
    ];

 let values: ContentItem = myitems.into_iter().enumerate().collect();
# 
                   ^^^^^^^^^

error[E0277]: a value of type `ContentItem` cannot be built from an iterator over elements of type `(usize, ContentItem)`
    --> src/main.rs:320:31
     |
320  |     let values: ContentItem = myitems.into_iter().enumerate().collect();
     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ------- required by a bound introduced by this call
     |                               |
     |                               value of type `ContentItem` cannot be built from `std::iter::Iterator<Item=(usize, ContentItem)>`
     |
     = help: the trait `FromIterator<(usize, ContentItem)>` is not implemented for `ContentItem`
note: required by a bound in `collect`
    -->.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:1832:19
     |
1832 |     fn collect<B: FromIterator<Self::Item>>(self) -> B
     |                   ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `collect`

For more information about this error, try `rustc --explain E0277`.
late glade
#

You probably want the type to be something like Vec<(usize, ContentItem)>