#complex-numbers #unsigned-integer #float #integer #unsigned

number-general

A generic number type for Rust which supports basic math and (de)serialization

35 releases

0.14.0 Jan 30, 2026
0.13.0 Feb 17, 2025
0.12.0 Aug 13, 2024
0.11.1 Dec 20, 2023
0.3.0 Feb 1, 2021

#342 in Math

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369 downloads per month
Used in 18 crates (5 directly)

Apache-2.0

125KB
4K SLoC

Provides a generic Number enum with Boolean, Complex, Float, [Int], and UInt variants, as well as a NumberCollator, ComplexCollator, and FloatCollator since these types do not implement [Ord].

Number supports casting with safecast.

For (de)serialization with serde, enable the "serde" feature.

For (de)coding with destream, enable the "stream" feature.

Example usage:

let sequence: Vec<Number> = vec![true.into(), 2.into(), 3.5.into(), [1.0, -0.5].into()];
let actual = sequence.into_iter().product();
let expected = Number::from(num::Complex::<f64>::new(7., -3.5));

assert_eq!(expected, actual);
assert_eq!(Int::cast_from(actual), Int::from(7));

number-general

A generic Rust number type with support for basic math operations, (de)serialization, and casting with safecast.

Example usage:

use number_general::{Int, Number};
use safecast::CastFrom;

let sequence: Vec<Number> = serde_json::from_str("[true, 2, 3.5, -4, [1.0, -0.5]]").unwrap();
let actual = sequence.into_iter().product();

assert_eq!(actual, Number::from(num::Complex::<f64>::new(-28., 14.)));
assert_eq!(Int::cast_from(actual), Int::from(-28));

Dependencies

~1–2MB
~39K SLoC