tsuki 0.4.8

Lua 5.4 ported to Rust
Documentation 
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use core::cmp::Ordering;
use core::fmt::{Display, Formatter};
use core::ops::{Add, AddAssign, Div, Mul, Neg, Sub};

/// Lua floating-point number.
///
/// This type provides [Display] implementation to match with Lua behavior when converting float to
/// string without fractional part. [Display] implementation on [f64] will omit fractional part if
/// it is zero but Lua requires this. Note that Tsuki **do not** truncate the precision while Lua
/// limit this to 14 digits by default.
#[repr(transparent)]
#[derive(Default, Clone, Copy, PartialEq, PartialOrd)]
pub struct Float(pub f64);

impl PartialEq<f64> for Float {
    #[inline(always)]
    fn eq(&self, other: &f64) -> bool {
        self.0 == *other
    }
}

impl PartialOrd<f64> for Float {
    #[inline(always)]
    fn partial_cmp(&self, other: &f64) -> Option<Ordering> {
        self.0.partial_cmp(other)
    }
}

impl Add for Float {
    type Output = Self;

    #[inline(always)]
    fn add(self, rhs: Self) -> Self::Output {
        Self(self.0 + rhs.0)
    }
}

impl Add<f64> for Float {
    type Output = Self;

    #[inline(always)]
    fn add(self, rhs: f64) -> Self::Output {
        Self(self.0 + rhs)
    }
}

impl AddAssign<f64> for Float {
    #[inline(always)]
    fn add_assign(&mut self, rhs: f64) {
        self.0 += rhs;
    }
}

impl Sub for Float {
    type Output = Self;

    #[inline(always)]
    fn sub(self, rhs: Self) -> Self::Output {
        Self(self.0 - rhs.0)
    }
}

impl Mul for Float {
    type Output = Self;

    #[inline(always)]
    fn mul(self, rhs: Self) -> Self::Output {
        Self(self.0 * rhs.0)
    }
}

impl Mul<f64> for Float {
    type Output = Self;

    #[inline(always)]
    fn mul(self, rhs: f64) -> Self::Output {
        Self(self.0 * rhs)
    }
}

impl Div for Float {
    type Output = Self;

    #[inline(always)]
    fn div(self, rhs: Self) -> Self::Output {
        Self(self.0 / rhs.0)
    }
}

impl Neg for Float {
    type Output = Self;

    #[inline(always)]
    fn neg(self) -> Self::Output {
        Self(-self.0)
    }
}

impl From<i32> for Float {
    #[inline(always)]
    fn from(value: i32) -> Self {
        Self(value.into())
    }
}

impl From<f32> for Float {
    #[inline(always)]
    fn from(value: f32) -> Self {
        Self(value.into())
    }
}

impl From<f64> for Float {
    #[inline(always)]
    fn from(value: f64) -> Self {
        Self(value)
    }
}

impl Display for Float {
    fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
        if self.0.fract() == 0.0 {
            write!(f, "{:.1}", self.0)?;
        } else {
            write!(f, "{}", self.0)?;
        }

        Ok(())
    }
}

impl From<Float> for f64 {
    #[inline(always)]
    fn from(value: Float) -> Self {
        value.0
    }
}