strfmt 0.2.5

strfmt: rust library for formatting dynamic strings
Documentation 
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use std::collections::HashMap;
use {FmtError, Format};

/// cautione here, this test just checks if the old float formatting behaviour is still present,
/// as this was changed in 0.2.0
#[test]
#[allow(deprecated)]
fn test_legacy() -> Result<(), FmtError> {
    let mut vars: HashMap<String, f64> = HashMap::new();
    vars.insert("Zero".to_string(), 0.0);
    vars.insert("One".to_string(), 10.0 / 3.0);
    vars.insert("Two".to_string(), 2.0);

    assert_eq!("0".to_string(), "{Zero}".format_display(&vars)?);
    assert_eq!("0".to_string(), "{Zero:.2}".format_display(&vars)?);
    assert_eq!("3.333".to_string(), "{One:.5}".format_display(&vars)?);
    assert_eq!("2".to_string(), "{Two}".format_display(&vars)?);
    assert_eq!("0    ".to_string(), "{Zero:<5.2}".format_display(&vars)?);

    Ok(())
}