Utils

src/utils/loadpuzzle.zig

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+const std = @import("std");
+
+pub fn readFile(allocator: std.mem.Allocator, path: []const u8) ![]u8 {
+    var file = try std.fs.cwd().openFile(path, .{});
+    defer file.close();
+
+    var fatfuckingstr = std.Io.Writer.Allocating.init(allocator);
+    defer fatfuckingstr.deinit();
+
+    var buffer: [1024]u8 = undefined;
+
+    var reader = file.reader(&buffer);
+
+    const actual_reader = &reader.interface;
+
+    _ = try actual_reader.stream(&fatfuckingstr.writer, .unlimited);
+
+    return fatfuckingstr.toOwnedSlice();
+}
+
+test "reader_test" {
+    const alloc = std.testing.allocator;
+
+    const contents = try readFile("test.txt", alloc);
+    defer alloc.free(contents);
+
+    try std.testing.expectEqualStrings("Hello World!", contents);
+}

test.txt

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+Hello World!