https://github.com/nervosnetwork/bigint

https://github.com/nervosnetwork/bigint

Last synced: 12 months ago
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• Host: GitHub
• URL: https://github.com/nervosnetwork/bigint
• Owner: nervosnetwork
• License: apache-2.0
• Created: 2018-05-16T06:49:55.000Z (about 8 years ago)
• Default Branch: master
• Last Pushed: 2018-11-27T15:46:57.000Z (over 7 years ago)
• Last Synced: 2025-07-25T16:02:39.504Z (about 1 year ago)
• Language: Rust
• Size: 11.7 KB
• Stars: 1
• Watchers: 5
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE-APACHE

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README

          
# bigint

[![Build Status](https://travis-ci.org/paritytech/primitives.svg?branch=master)](https://travis-ci.org/paritytech/primitives)

Fixed-sized integers arithmetic

To specify a dependency, add to `Cargo.toml`

```toml

[dependencies]

ethereum-types = "0.2"

```

Little example

```rust

extern crate ethereum_types;

use ethereum_types::U256;

fn main() {

	let mut val: U256 = 1023.into();

	for _ in 0..200 { val = val * 2.into() }

	assert_eq!(

		&format!("{}", val),

		"1643897619276947051879427220465009342380213662639797070513307648"

	);

}

```

### `no_std` crates

This crate has a feature, `std`, that is enabled by default. To use this crate

in a `no_std` context, add the following to your `Cargo.toml`:

```toml

[dependencies]

ethereum-types = { version = "4", default-features = false }

```