more debugging printouts

2024-12-16 11:07:30 -08:00
parent d8eafaeb1c
commit f41564d8f1
4 changed files with 20 additions and 16 deletions
--- a/day16/d16p1.swift
+++ b/day16/d16p1.swift
@@ -58,8 +58,8 @@ struct Maze : CustomStringConvertible {
        let s: [[String]] = walls.enumerated().map { i, r in
            [String(format: "%3d ", i)] + r.map { $0 ? "██" : "  " }
        }
-        print("    " + (0..<w).map { " \($0 % 10)" }.joined())
-        return s.map { $0.joined() }.joined(separator: "\n")
+        return ("    " + (0..<w).map { " \($0 % 10)" }.joined()) +
+            s.map { $0.joined() }.joined(separator: "\n")
    }
    init(fromFile f: String) throws {
        let content = try String(contentsOfFile: f, encoding: .ascii)