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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::target_checking::AllowedTargets;
7use crate::target_checking::Policy::Allow;
8
9pub(crate) struct PinV2Parser;
10
11impl NoArgsAttributeParser for PinV2Parser {
12    const PATH: &[Symbol] = &[sym::pin_v2];
13    const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowList(&[
14        Allow(Target::Enum),
15        Allow(Target::Struct),
16        Allow(Target::Union),
17    ]);
18    const CREATE: fn(Span) -> AttributeKind = AttributeKind::PinV2;
19}