Class Keys

src/entity/iter.rs:12–15

Iterate over all keys in order.

/// Iterate over all keys in order.
pub struct Keys<K: EntityRef> {
    range: Range<usize>,
    marker: PhantomData<K>,
}

impl<K: EntityRef> Keys<K> {
    /// Create a `Keys` iterator that visits `len` entities starting from 0.