Enum syntax::feature_gate::AttributeGate
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[src]
pub enum AttributeGate { Gated(Stability, &'static str, &'static str, fn(_: &Features) -> bool), Ungated, }
🔬 This is a nightly-only experimental API. (
rustc_private
)Variants
Gated(Stability, &'static str, &'static str, fn(_: &Features) -> bool)
🔬 This is a nightly-only experimental API. (
rustc_private
)Is gated by a given feature gate, reason and function to check if enabled
Ungated
🔬 This is a nightly-only experimental API. (
rustc_private
)Ungated attribute, can be used on all release channels