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Diffstat (limited to '22_errors2.zig')
| -rw-r--r-- | 22_errors2.zig | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/22_errors2.zig b/22_errors2.zig deleted file mode 100644 index fcfd391..0000000 --- a/22_errors2.zig +++ /dev/null @@ -1,30 +0,0 @@ -// -// A common case for errors is a situation where we're expecting to -// have a value OR something has gone wrong. Take this example: -// -// var text: Text = getText('foo.txt'); -// -// What happens if getText() can't find 'foo.txt'? How do we express -// this in Zig? -// -// Zig let's us make what's called an "error union" which is a value -// which could either be a regular value OR an error from a set: -// -// var text: MyErrorSet!Text = getText('foo.txt'); -// -// For now, let's just see if we can try making an error union! -// -const std = @import("std"); - -const MyNumberError = error{ TooSmall }; - -pub fn main() void { - var my_number: ??? = 5; - - // Looks like my_number will need to either store a number OR - // an error. Can you set the type correctly above? - my_number = MyNumberError.TooSmall; - - std.debug.print("I compiled!", .{}); -} - |