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author | Dave Gauer <dave@ratfactor.com> | 2021-02-09 18:36:57 -0500 |
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committer | Dave Gauer <dave@ratfactor.com> | 2021-02-09 18:36:57 -0500 |
commit | 55ad7c32f2d534b1fbd438204d21738f958c51a5 (patch) | |
tree | 16be4b53193105a759b3eec25be5e664d41c428d /04_arrays.zig | |
parent | cf0920de31e9b5f3c5ba6de19a1b4c8d0c58b907 (diff) | |
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Moved exercises to exercises because exercises
Diffstat (limited to '04_arrays.zig')
-rw-r--r-- | 04_arrays.zig | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/04_arrays.zig b/04_arrays.zig deleted file mode 100644 index 0f4ffe1..0000000 --- a/04_arrays.zig +++ /dev/null @@ -1,51 +0,0 @@ -// -// Let's learn some array basics. Arrays are declared with: -// -// var foo [3]u32 = [3]u32{ 42, 108, 5423 }; -// -// When Zig can infer the size of the array, you can use '_' for the -// size. You can also let Zig infer the type of the value so the -// declaration is much less verbose. -// -// var foo = [_]u32{ 42, 108, 5423 }; -// -// Get values of an array using array[index] notation: -// -// const bar = foo[3]; // 5423 -// -// Set values of an array using array[index] notation: -// -// foo[3] = 16; -// -// Get the length of an array using the len property: -// -// const length = foo.len; -// -const std = @import("std"); - -pub fn main() void { - // (Problem 1) - // This "const" is going to cause a problem later - can you see what it is? - // How do we fix it? - const some_primes = [_]u8{ 1, 3, 5, 7, 11, 13, 17, 19 }; - - // Individual values can be set with '[]' notation. - // Example: This line changes the first prime to 2 (which is correct): - some_primes[0] = 2; - - // Individual values can also be accessed with '[]' notation. - // Example: This line stores the first prime in "first": - const first = some_primes[0]; - - // (Problem 2) - // Looks like we need to complete this expression. Use the example - // above to set "fourth" to the fourth element of the some_primes array: - const fourth = some_primes[???]; - - // (Problem 3) - // Use the len property to get the length of the array: - const length = some_primes.???; - - std.debug.print("First: {}, Fourth: {}, Length: {}\n", - .{first, fourth, length}); -} |