integer_or_float 0.3.2

A data type holding an ‘integer or float’ (a data type in the Unified Font Object specification, among others)
Documentation 
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use super::IntegerOrFloat::{self, *};
#[allow(unused_imports)]
use super::{f_iof, i_iof};

/// A generic container for a "negative integer or a float".
///
/// Was made originally for the UFO data type "negative integer or float".
#[cfg_attr(feature = "more-serde", derive(serde::Serialize, serde::Deserialize))]
#[derive(Copy, Clone, Display, Debug, Deref, DerefMut, AsRef, AsMut)]
#[display(fmt = "{}", inner)]
pub struct Negative {
    inner: IntegerOrFloat,
}

impl Negative {
    pub fn new(iof: impl Into<IntegerOrFloat>) -> Self {
        let mut inner = iof.into();
        if !(f_iof::from(inner)).is_sign_negative() {
            inner = inner * Float(-1.0);
        }
        Self { inner }
    }
}

/// A generic container for a "positive integer or a float".
#[cfg_attr(feature = "more-serde", derive(serde::Serialize, serde::Deserialize))]
#[derive(Copy, Clone, Display, Debug, Deref, DerefMut, AsRef, AsMut)]
#[display(fmt = "{}", inner)]
pub struct Positive {
    inner: IntegerOrFloat,
}

impl Positive {
    pub fn new(iof: impl Into<IntegerOrFloat>) -> Self {
        let mut inner = iof.into();
        if !(f_iof::from(inner)).is_sign_positive() {
            inner = inner * Float(-1.0);
        }
        Self { inner }
    }
}