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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Angle<T> {
Degree(T),
Radian(T),
}
macro_rules! impl_angle {
([ $($float:ty),+ ]) => (
$(
impl Angle<$float> {
pub fn degree(self) -> Angle<$float> {
match self {
Angle::Radian(a) => Angle::Degree(a*180.0/<$float>::from(common::f32::consts::PI)),
Angle::Degree(b) => Angle::Degree(b),
}
}
pub fn radian(self) -> Angle<$float> {
match self {
Angle::Radian(a) => Angle::Radian(a),
Angle::Degree(b) => Angle::Radian(b*<$float>::from(common::f32::consts::PI)/180.0),
}
}
}
)+
);
}