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Diffstat (limited to 'compiler/rustc_attr_data_structures/src')
| -rw-r--r-- | compiler/rustc_attr_data_structures/src/attributes.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/rustc_attr_data_structures/src/attributes.rs b/compiler/rustc_attr_data_structures/src/attributes.rs index f0f5cc4db07..ce1d8080262 100644 --- a/compiler/rustc_attr_data_structures/src/attributes.rs +++ b/compiler/rustc_attr_data_structures/src/attributes.rs @@ -237,6 +237,13 @@ pub enum AttributeKind { /// Represents [`#[may_dangle]`](https://std-dev-guide.rust-lang.org/tricky/may-dangle.html). MayDangle(Span), + /// Represents `#[must_use]`. + MustUse { + span: Span, + /// must_use can optionally have a reason: `#[must_use = "reason this must be used"]` + reason: Option<Symbol>, + }, + /// Represents `#[optimize(size|speed)]` Optimize(OptimizeAttr, Span), |