diff options
Diffstat (limited to 'exercises/100_for4.zig')
| -rw-r--r-- | exercises/100_for4.zig | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/exercises/100_for4.zig b/exercises/100_for4.zig deleted file mode 100644 index c8a1161..0000000 --- a/exercises/100_for4.zig +++ /dev/null @@ -1,62 +0,0 @@ -// -// We've seen that the 'for' loop can let us perform some action -// for every item in an array or slice. -// -// More recently, we discovered that it supports ranges to -// iterate over number sequences. -// -// This is part of a more general capability of the `for` loop: -// looping over one or more "objects" where an object is an -// array, slice, or range. -// -// In fact, we *did* use multiple objects way back in Exercise -// 016 where we iterated over an array and also a numeric index. -// It didn't always work exactly this way, so the exercise had to -// be retroactively modified a little bit. -// -// for (bits, 0..) |bit, i| { ... } -// -// The general form of a 'for' loop with two lists is: -// -// for (list_a, list_b) |a, b| { -// // Here we have the first item from list_a and list_b, -// // then the second item from each, then the third and -// // so forth... -// } -// -// What's really beautiful about this is that we don't have to -// keep track of an index or advancing a memory pointer for -// *either* of these lists. That error-prone stuff is all taken -// care of for us by the compiler. -// -// Below, we have a program that is supposed to compare two -// arrays. Please make it work! -// -const std = @import("std"); -const print = std.debug.print; - -pub fn main() void { - const hex_nums = [_]u8{ 0xb, 0x2a, 0x77 }; - const dec_nums = [_]u8{ 11, 42, 119 }; - - for (hex_nums, ???) |hn, ???| { - if (hn != dn) { - print("Uh oh! Found a mismatch: {d} vs {d}\n", .{ hn, dn }); - return; - } - } - - print("Arrays match!\n", .{}); -} -// -// You are perhaps wondering what happens if one of the two lists -// is longer than the other? Try it! -// -// By the way, congratulations for making it to Exercise 100! -// -// +-------------+ -// | Celebration | -// | Area * * * | -// +-------------+ -// -// Please keep your celebrating within the area provided. |