//! lint when there is a large size difference between variants on an enum
use crate::utils::{snippet_opt, span_lint_and_then};
-use rustc::hir::*;
-use rustc::impl_lint_pass;
-use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use rustc::ty::layout::LayoutOf;
use rustc_errors::Applicability;
-use rustc_session::declare_tool_lint;
+use rustc_hir::*;
+use rustc_lint::{LateContext, LateLintPass};
+use rustc_session::{declare_tool_lint, impl_lint_pass};
declare_clippy_lint! {
/// **What it does:** Checks for large size differences between variants on