# `RustQ.Syn.Arg`
[🔗](https://github.com/elixir-crab/rustq/blob/v1.0.0-rc.19/lib/rustq/syn.ex#L440)

Rust function or method argument metadata. `type` is rendered Rust; `type_ast` is structured metadata.

# `t`

```elixir
@type t() :: %RustQ.Syn.Arg{
  name: String.t() | nil,
  type: String.t(),
  type_ast: RustQ.Syn.type()
}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*