Skip to main content

rustc_attr_parsing/attributes/
pin_v2.rs

1use rustc_hir::Target;
2use rustc_hir::attrs::AttributeKind;
3use rustc_span::{Span, Symbol, sym};
4
5use crate::attributes::NoArgsAttributeParser;
6use crate::context::Stage;
7use crate::target_checking::AllowedTargets;
8use crate::target_checking::Policy::Allow;
9
10pub(crate) struct PinV2Parser;
11
12impl<S: Stage> NoArgsAttributeParser<S> for PinV2Parser {
13    const PATH: &[Symbol] = &[sym::pin_v2];
14    const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowList(&[
15        Allow(Target::Enum),
16        Allow(Target::Struct),
17        Allow(Target::Union),
18    ]);
19    const CREATE: fn(Span) -> AttributeKind = AttributeKind::PinV2;
20}