reifydb_type/value/constraint/
precision.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use std::fmt::{self, Display, Formatter};
5
6use serde::{Deserialize, Serialize};
7
8use crate::error::{Error, TypeError};
9
10#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
11#[repr(transparent)]
12pub struct Precision(u8);
13
14impl Precision {
15	pub fn new(precision: u8) -> Self {
16		assert!(precision > 0, "Precision must be at least 1, got {}", precision);
17		Self(precision)
18	}
19
20	pub fn try_new(precision: u8) -> Result<Self, Error> {
21		if precision == 0 {
22			return Err(TypeError::DecimalPrecisionInvalid {
23				precision,
24			}
25			.into());
26		}
27		Ok(Self(precision))
28	}
29
30	pub fn value(self) -> u8 {
31		self.0
32	}
33
34	pub const MAX: Self = Self(255);
35
36	pub const MIN: Self = Self(1);
37}
38
39impl Display for Precision {
40	fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
41		self.0.fmt(f)
42	}
43}
44
45impl From<Precision> for u8 {
46	fn from(precision: Precision) -> Self {
47		precision.0
48	}
49}
50
51impl From<u8> for Precision {
52	fn from(value: u8) -> Self {
53		Self::new(value)
54	}
55}
reifydb_type/value/constraint/precision.rs

reifydb_type/value/constraint/
precision.rs
