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185,186c185,186
< .place => print("{s}", .{p.name}),
< .path => print("--{}->", .{p.dist}),
---
> .place => |p| print("{s}", .{p.name}),
> .path => |p| print("--{}->", .{p.dist}),
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< if (place == entry.*.?.place) return entry;
---
> if (place == entry.*.?.place) return &entry.*.?;
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< fn getTripTo(self: *HermitsNotebook, trip: []?TripItem, dest: *Place) void {
---
> fn getTripTo(self: *HermitsNotebook, trip: []?TripItem, dest: *Place) TripError!void {
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< // Note: you do not need to fix anything here.
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< // 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
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< // 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".
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