Formatted Output

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

pub fn main() void {
    // Use {s} for strings, {d} for decimal numbers.
    print("{s} is about {d}\n", .{ "pi", 3.14 });
    print("\n", .{});

    // {x}, {o}, {b} are used to print numbers as
    // hexadecimal, octal, or binary.
    print("16 in hex/oct/binary:\n", .{});
    print("{x}, {o}, {b}\n", .{ 16, 16, 16 });
    print("\n", .{});

    // For most built-in types we can just use {}.
    print("{} {} {}\n", .{ true, 5, 3.14 });
    print("\n", .{});

    // Add a field width for vertically aligned output.
    print("1 KiB is {d:10} Byte\n", .{1 << 10});
    print("1 MiB is {d:10} Byte\n", .{1 << 20});
    print("1 GiB is {d:10} Byte\n", .{1 << 30});
    print("\n", .{});

    // {d:6.2} is field width 6 and 2 decimal digits.
    print("{d:3}°F is {d:6.2}°C\n", .{ 0, -17.7778 });
    print("{d:3}°F is {d:6.2}°C\n", .{ 50, 10.0 });
    print("{d:3}°F is {d:6.2}°C\n", .{ 100, 37.7778 });
}