snippet_opt, span_lint_and_then,
};
use if_chain::if_chain;
-use rustc::{
- declare_lint_pass,
- lint::{LateContext, LateLintPass, LintArray, LintPass},
-};
use rustc_errors::Applicability;
use rustc_hir::intravisit::FnKind;
use rustc_hir::{Body, Expr, ExprKind, FnDecl, HirId, MatchSource, StmtKind};
-use rustc_session::declare_tool_lint;
+use rustc_lint::{LateContext, LateLintPass};
+use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::source_map::Span;
declare_clippy_lint! {