44 lines
1.2 KiB
Zig
44 lines
1.2 KiB
Zig
//
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// Quiz time! Let's see if you can fix this whole program.
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//
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// You'll have to think about this one a bit.
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//
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// Let the compiler tell you what's wrong.
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//
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// Start at the top.
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//
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const std = @import("std");
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pub fn main() void {
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// What is this nonsense? :-)
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const letters = "YZhifg";
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// Note: usize is an unsigned integer type used for...sizes.
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// The exact size of usize depends on the target CPU
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// architecture. We could have used a u8 here, but usize is
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// the idiomatic type to use for array indexing.
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//
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// There IS a problem on this line, but 'usize' isn't it.
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var x: usize = 1;
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// Note: When you want to declare memory (an array in this
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// case) without putting anything in it, you can set it to
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// 'undefined'. There is no problem on this line.
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var lang: [3]u8 = undefined;
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// The following lines attempt to put 'Z', 'i', and 'g' into the
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// 'lang' array we just created by indexing the array
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// 'letters' with the variable 'x'. As you can see above, x=1
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// to begin with.
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lang[0] = letters[x];
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x = 3;
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lang[1] = letters[x];
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x = 5;
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lang[2] = letters[x];
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// We want to "Program in Zig!" of course:
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std.debug.print("Program in {s}!\n", .{lang});
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}
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