Explaining undefined 0xAA in 038 (for issue #43)

This commit is contained in:
Dave Gauer 2021-04-04 16:38:40 -04:00
parent cc01013921
commit 30c9f1a798

View file

@ -4,7 +4,7 @@
// them to functions, etc.
//
// This exercise demonstrates how we can store structs in an array and
// how doing so lets us print them all (both) using a loop.
// how doing so lets us print them using a loop.
//
const std = @import("std");
@ -50,3 +50,9 @@ pub fn main() void {
});
}
}
// If you tried running the program without adding Zump as mentioned
// above, you get what appear to be "garbage" values. In debug mode
// (which is the default), Zig writes the repeating pattern "10101010"
// in binary (or 0xAA in hex) to all undefined locations to make them
// easier to spot when debugging.