gecko-dev/third_party/rust/num-bigint

num-bigint

Big integer types for Rust, BigInt and BigUint.

Usage

Add this to your Cargo.toml:

[dependencies]
num-bigint = "0.1"

and this to your crate root:

extern crate num_bigint;

Releases

Release notes are available in RELEASES.md.

Compatibility

The num-bigint crate is tested for rustc 1.8 and greater.

Alternatives

While num-bigint strives for good performance in pure Rust code, other crates may offer better performance with different trade-offs. The following table offers a brief comparison to a few alternatives.

Crate	License	Min rustc	Implementation
num-bigint	MIT/Apache-2.0	1.8	pure rust
ramp	Apache-2.0	nightly	rust and inline assembly
rug	LGPL-3.0+	1.18	bundles GMP via gmp-mpfr-sys
rust-gmp	MIT	stable?	links to GMP
apint	MIT/Apache-2.0	nightly	pure rust (unfinished)