Function rustc_middle::lint::struct_lint_level

pub fn struct_lint_level<'s, 'd>(
    sess: &'s Session,
    lint: &'static Lint,
    level: Level,
    src: LintLevelSource,
    span: Option<MultiSpan>,
    msg: impl Into<DiagnosticMessage>,
    decorate: impl 'd + for<'a, 'b> FnOnce(&'b mut DiagnosticBuilder<'a, ()>) -> &'b mut DiagnosticBuilder<'a, ()>
)