Zig by Example: Integers

Integers in Zig are pretty neat.

 
const std = @import("std");
const print = std.debug.print;

You have your usual integer types…

 
const a: u8 = 1;
const b: i32 = 10;
const c: i64 = 100;
const d: usize = 1_000;

But you also have arbitrary bit-width integers.

 
const e: u21 = 10_000;
const f: i42 = 100_000;

Additionally, Zig supports compile-time known integers. These have no size limit and can be written as either integer literals or Unicode code point literals.

 
const g: comptime_int = 1_000_000;
const integer_literal = 10_000_000;
const unicode_literal = '💯';
 
pub fn main() anyerror!void {
    print("integer: {}\n", .{unicode_literal});
    print("unicode: {u}\n", .{unicode_literal});
}
 
$ zig run integers.zig
integer: 128175
unicode: 💯

Next example: Floats.

by Jason Phan | source | license