unitforge 0.5.2

A library for unit and quantity consistent computations in Rust
Documentation 
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use crate::impl_macros::macros::*;
use core::time::Duration;

#[cfg_attr(feature = "strum", derive(EnumIter))]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
#[derive(Copy, Clone, PartialEq, Debug, Hash, Eq)]
#[cfg_attr(feature = "pyo3", pyclass(eq, eq_int, from_py_object))]
pub enum TimeUnit {
    ns,
    us,
    ms,
    s,
    min,
    h,
    day,
    week,
    month,
    year,
}

impl TimeUnit {
    pub const fn base_per_x_const(self) -> (f64, i32) {
        match self {
            TimeUnit::ns => (1., -9),
            TimeUnit::us => (1., -6),
            TimeUnit::ms => (1., -3),
            TimeUnit::s => (1., 0),
            TimeUnit::min => (6., 1),
            TimeUnit::h => (3.6, 2),
            TimeUnit::day => (8.6400, 4),
            TimeUnit::week => (6.04800, 5),
            TimeUnit::month => (2.62800288, 6),
            TimeUnit::year => (3.1556952, 7),
        }
    }
}

impl PhysicsUnit for TimeUnit {
    fn name(&self) -> &str {
        match &self {
            TimeUnit::ns => "ns",
            TimeUnit::us => "μm",
            TimeUnit::ms => "ms",
            TimeUnit::s => "s",
            TimeUnit::min => "min",
            TimeUnit::h => "h",
            TimeUnit::day => "day",
            TimeUnit::week => "week",
            TimeUnit::month => "month",
            TimeUnit::year => "year",
        }
    }

    fn base_per_x(&self) -> (f64, i32) {
        (*self).base_per_x_const()
    }
}

impl_quantity!(Time, TimeUnit, [TimeUnit::s]);
impl_div_with_self_to_f64!(Time);

impl Time {
    pub fn from_duration(duration: Duration) -> Time {
        Time::new(duration.as_secs_f64(), TimeUnit::s)
    }

    pub fn as_duration(&self) -> Duration {
        Duration::from_secs_f64(self.to(TimeUnit::s))
    }
}