empty in core::iter - Rust
Description: Creates an iterator that yields nothing.
Keywords: rust, rustlang, rust-lang, empty

# Function core::iter::empty
1.2.0 (const: 1.32.0)[−][src]

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    pub const fn empty<T>() -> Empty<T>ⓘNotable traits for Empty<T>impl<T> Iterator for Empty<T>    type Item = 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());

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