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const std = @import("std");
const hello_zig = @import("hello_zig");
pub fn main() !void {
var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
defer arena.deinit();
const allocator = arena.allocator();
const args = try std.process.argsAlloc(allocator);
const name = if (args.len > 1) args[1] else "Nova";
var greeter = hello_zig.Greeter{
.name = name,
.punctuation = '!',
};
const stdout = std.fs.File.stdout().deprecatedWriter();
try greeter.write(stdout, .verbose);
const sample_values = [_]i32{ -3, -2, 0, 1, 2, 3, 4 };
var squares = try hello_zig.collectEvenSquares(allocator, &sample_values);
defer squares.deinit(allocator);
std.debug.print("even squares: {any}\n", .{squares.items});
}
test "main module can compute a summary" {
const greeting = try hello_zig.describeNumber(std.testing.allocator, 42);
defer std.testing.allocator.free(greeting);
try std.testing.expect(std.mem.startsWith(u8, greeting, "positive"));
}
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