# langref: clarify allowed atomic types · gitcafe/zig

[View on GitCafe](https://git.cafe/gitcafe/zig/commit/cbe6e5b7fece38623d5eab43b71a83d1b6c7f323)

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

Visibility: public

Requested revision: cbe6e5b7fece38623d5eab43b71a83d1b6c7f323

Requested commit: cbe6e5b7fece38623d5eab43b71a83d1b6c7f323

Commit: cbe6e5b7fece38623d5eab43b71a83d1b6c7f323

Tree: c3d7cf585d46c8140b1850b59af75e4c595375d2

Author: Kendall Condon

Committer: Matthew Lugg

## Message

```
langref: clarify allowed atomic types

Floats are not allowed in @cmpxchg

Packed structs are allowed for all atomic builtins

```

## Parents

- [b0d6c227d3fe972844de5660d7398a721f2ba234](https://git.cafe/gitcafe/zig/commit/b0d6c227d3fe972844de5660d7398a721f2ba234?format=markdown)

[Source at this commit](https://git.cafe/gitcafe/zig/tree/cbe6e5b7fece38623d5eab43b71a83d1b6c7f323?format=markdown)