const-css-color 0.1.1

Css color parser at compile time
Documentation 
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use super::*;

impl Default for RGBA {
    fn default() -> Self {
        Self { r: 0, g: 0, b: 0, a: 255 }
    }
}

impl Debug for RGBA {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(f, "rgba({}, {}, {}, {})", self.r, self.g, self.b, self.a)
    }
}

impl UpperHex for RGBA {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        if f.alternate() {
            f.write_char('#')?;
        }
        write!(f, "{:02X}{:02X}{:02X}{:02X}", self.r, self.g, self.b, self.a)
    }
}

impl LowerHex for RGBA {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        if f.alternate() {
            f.write_char('#')?;
        }
        write!(f, "{:02x}{:02x}{:02x}{:02x}", self.r, self.g, self.b, self.a)
    }
}