185,186c185,186
<             .place => print("{s}", .{p.name}),
<             .path => print("--{}->", .{p.dist}),
---
>             .place => |p| print("{s}", .{p.name}),
>             .path => |p| print("--{}->", .{p.dist}),
248c248
<             if (place == entry.*.?.place) return entry;
---
>             if (place == entry.*.?.place) return &entry.*.?;
302c302
<     fn getTripTo(self: *HermitsNotebook, trip: []?TripItem, dest: *Place) void {
---
>     fn getTripTo(self: *HermitsNotebook, trip: []?TripItem, dest: *Place) TripError!void {
336d335
<             // Note: you do not need to fix anything here.
419,422c418
<     // We convert the usize length to a u8 with @intCast(), a
<     // builtin function just like @import().  We'll learn about
<     // these properly in a later exercise.
<     var i: u8 = @intCast(u8, trip.len);
---
>     var i: u8 = @intCast(u8, trip.len); // convert usize length
449,452c445,446
< // Search" (BFS).
< //
< // By tracking "lowest cost" paths, we can also say that we're
< // performing a "least-cost search".
---
> // Search" (BFS). By tracking "lowest cost" paths, we can also say
> // that we're performing a "least-cost search".