-use rustc::lint::in_external_macro;
use rustc_ast::ast::{Expr, ExprKind};
use rustc_lint::{EarlyContext, EarlyLintPass, LintContext};
+use rustc_middle::lint::in_external_macro;
use rustc_session::{declare_lint_pass, declare_tool_lint};
use crate::utils::span_lint_and_help;
AS_CONVERSIONS,
expr.span,
"using a potentially dangerous silent `as` conversion",
+ None,
"consider using a safe wrapper for this conversion",
);
}