# Cargo.toml
[dependencies]
extprim = "1"
extprim_literals = "2"

示例

#[macro_use]
extern crate extprim_literals;
extern crate extprim;

use std::str::FromStr;
use extprim::i128::i128;

fn main() {
    let a = i128::from_str("100000000000000000000000000000000000000").unwrap();
            // convert string to u128 or i128
    let b = i128::new(10).pow(38);
            // 64-bit integers can be directly new'ed
    assert_eq!(a, b);

    let c = i128::from_parts(5421010862427522170, 687399551400673280);
            // represent using the higher- and lower-64-bit parts
    let d = c - a;
            // standard operators like +, -, *, /, %, etc. work as expected.
    assert_eq!(d, i128::zero());

    const e: i128 = i128!(100000000000000000000000000000000000000);
            // use the literal macros
    assert_eq!(a, e);
}