Zig·Zig essentials

Errors

Zig makes errors part of the type system instead of exceptions.

Advanced 10 min read Lesson 2 of 150 Challenge included
What you will be able to do
  • Use ! in return types.
  • Handle with catch or try.
  • Define error sets explicitly.

In plain English

Zig makes errors part of the type system instead of exceptions.

  • Use ! in return types.
  • Handle with catch or try.
  • Define error sets explicitly.
errors.zigZIG
fn parse(value: []const u8) !u32 {
    return std.fmt.parseInt(u32, value, 10);
}

const n = parse("42") catch 0;
Your turn

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Easy

Answer from memory: What does try do?

TEXT · starter
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What does try do?

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Lesson 2 of 150 · 0% of course