# AstGen: implement while optional and while error union · gitcafe/zig

[View on GitCafe](https://git.cafe/gitcafe/zig/commit/3dadccec45832f31810d01b5599f984db5935e8c)

Repository: [gitcafe/zig](https://git.cafe/gitcafe/zig)

Visibility: public

Requested revision: 3dadccec45832f31810d01b5599f984db5935e8c

Requested commit: 3dadccec45832f31810d01b5599f984db5935e8c

Commit: 3dadccec45832f31810d01b5599f984db5935e8c

Tree: 4c7ceff9a437642c2e5392f26e7eb78799299c2c

Author: Andrew Kelley

Committer: Andrew Kelley

## Message

```
AstGen: implement while optional and while error union

```

## Parents

- [3f60481be45fbde9e37d4b8aaff8a02e1db3e07d](https://git.cafe/gitcafe/zig/commit/3f60481be45fbde9e37d4b8aaff8a02e1db3e07d?format=markdown)

[Source at this commit](https://git.cafe/gitcafe/zig/tree/3dadccec45832f31810d01b5599f984db5935e8c?format=markdown)