Function rustc_middle::middle::stability::report_unstable
source ยท pub fn report_unstable(
sess: &Session,
feature: Symbol,
reason: Option<Symbol>,
issue: Option<NonZero<u32>>,
suggestion: Option<(Span, String, String, Applicability)>,
is_soft: bool,
span: Span,
soft_handler: impl FnOnce(&'static Lint, Span, String),
)