use derive_more::Display;
use num_traits::AsPrimitive;
use crate::{
registry::MetaSchema,
validation::{Validator, ValidatorMeta},
};
#[derive(Display)]
#[display("maximum({n}, exclusive: {exclusive})")]
pub struct Maximum {
n: f64,
exclusive: bool,
}
impl Maximum {
#[inline]
pub fn new(n: f64, exclusive: bool) -> Self {
Self { n, exclusive }
}
}
impl<T: AsPrimitive<f64>> Validator<T> for Maximum {
#[inline]
fn check(&self, value: &T) -> bool {
if self.exclusive {
value.as_() < self.n
} else {
value.as_() <= self.n
}
}
}
impl ValidatorMeta for Maximum {
fn update_meta(&self, meta: &mut MetaSchema) {
meta.maximum = Some(self.n);
if self.exclusive {
meta.exclusive_maximum = Some(true);
}
}
}