Switch to using OS pipes

05/src/main.zig

@@ -18,16 +18,12 @@ pub fn main() anyerror!void {
     try m1.run();
 
     var out: i32 = 0;
-    while (m1.readFromOutput(false)) |item| {
-        out = item;
-    } else |err| {
-        std.debug.assert(err == std.os.ReadError.WouldBlock);
-    }
+    while (out == 0) : (out = try m1.readFromOutput()) {}
 
     std.debug.warn("Day 5, Part 1: {}\n", out);
 
     try m2.writeToInput(5); // Thermal radiator controller
     try m2.run();
 
-    std.debug.warn("Day 5, Part 2: {}\n", try m2.readFromOutput(false));
+    std.debug.warn("Day 5, Part 2: {}\n", try m2.readFromOutput());
 }