u/Blayung

const std = @import("std");

const Thing = struct {
    // stuff
};

// This exists until the program ends
var things: []Thing = undefined;

// gpa_allocator is for temporary allocations and arena_allocator deinits when the program ends
pub fn init(gpa_allocator: std.mem.Allocator, arena_allocator: std.mem.Allocator) !void {
    var loading_things = std.ArrayList(Thing).empty;

    while (something) {
        // something
        loading_things.append(???_allocator, something);
    }

    // Now:
    // things = try loading_things.toOwnedSlice(???_allocator);
    // or
    // things = loading_things.items;
    // or maybe something else?
}

^Btw, ^I ^deleted ^my ^last ^post ^because ^I ^had ^a ^mistake ^in ^the ^code ^(not ^just ^the ^funny ^word) ^and ^it ^caused ^people ^not ^to ^understand ^what ^I ^wanted.