rune 0.14.2

The Rune Language, an embeddable dynamic programming language for Rust.
Documentation 
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use super::Names;
use crate::support::Result;

#[test]
fn insert() -> Result<()> {
    let mut names = Names::default();
    assert!(!names.contains(["test"])?);
    assert!(!names.insert(["test"]).unwrap());
    assert!(names.contains(["test"])?);
    assert!(names.insert(["test"]).unwrap());
    Ok(())
}

#[test]
fn contains() -> Result<()> {
    let mut names = Names::default();
    assert!(!names.contains(["test"])?);
    assert!(!names.insert(["test"]).unwrap());
    assert!(names.contains(["test"])?);
    assert!(names.insert(["test"]).unwrap());
    Ok(())
}