core::iter::empty - Rust
Description: API documentation for the Rust `empty` fn in crate `core`.
Keywords: rust, rustlang, rust-lang, empty

# Function core::iter::empty 1.2.0 [−] [src]

ⓘImportant traits for Empty<T>

### Important traits for Empty<T>

`impl<T> Iterator for Empty<T> type Item = T;`

    pub fn empty<T>() -> Empty<T>

Creates an iterator that yields nothing.

# Examples

Basic usage:

    use std::iter;

    // this could have been an iterator over i32, but alas, it's just not.
    let mut nope = iter::empty::<i32>();

    assert_eq!(None, nope.next());Run

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