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//! Format as rust code

use super::*;

/// Format as raw UTF8.
///
/// This is one way to output a raw string.
#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct UTF8;
impl Format for UTF8 {
    fn escape(f: &mut Formatter, s: &str) -> Result<(), Error> {
        f.write_str(s)
    }
    fn mime() -> mime::Mime {
        return mime::TEXT_PLAIN_UTF_8;
    }
    fn this_format() -> Self {
        UTF8
    }
}

display_integers_as!(UTF8);
display_floats_as!(UTF8, "e", "", 1, None);

#[test]
fn escaping() {
    assert_eq!(&format_as!(UTF8, ("&")).into_string(), "&");
}
#[test]
fn floats() {
    assert_eq!(&format_as!(UTF8, 3.0).into_string(), "3");
    assert_eq!(&format_as!(UTF8, 3e5).into_string(), "3e5");
    assert_eq!(&format_as!(UTF8, 3e4).into_string(), "3e4");
    assert_eq!(&format_as!(UTF8, 3e3).into_string(), "3e3");
    assert_eq!(&format_as!(UTF8, 3e2).into_string(), "300");
}