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path: root/examples/multi-step/src/main.zig
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const std = @import("std");
const lib = @import("multi_step");

pub fn main(init: std.process.Init) !void {
    const io = init.io;
    var buf: [4096]u8 = undefined;
    var fw: std.Io.File.Writer = .init(.stdout(), io, &buf);
    defer fw.interface.flush() catch {};
    const w = &fw.interface;

    const args = try init.minimal.args.toSlice(init.arena.allocator());
    const mode = if (args.len > 1) args[1] else "";

    if (std.mem.eql(u8, mode, "--server")) {
        try w.print("Server mode (simulated)\n", .{});
        return;
    }

    if (std.mem.eql(u8, mode, "--bench")) {
        const data = [_]i32{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
        var i: u32 = 0;
        while (i < 1_000_000) : (i += 1) {
            _ = lib.sum(&data);
        }
        try w.print("bench: 1M sum() calls completed\n", .{});
        return;
    }

    const data = [_]i32{ 10, 20, 30, 40, 50 };
    try w.print("data: {any}\n", .{data});
    try w.print("sum     = {d}\n", .{lib.sum(&data)});
    try w.print("product = {d}\n", .{lib.product(&data)});
    try w.print("min     = {?d}\n", .{lib.min(&data)});
    try w.print("max     = {?d}\n", .{lib.max(&data)});
}