use if_chain::if_chain;
use rustc_ast::ast::LitKind;
use rustc_errors::Applicability;
-use rustc_hir::{BorrowKind, Expr, ExprKind, Mutability};
+use rustc_hir::{BorrowKind, Expr, ExprKind, LangItem, Mutability};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty;
use rustc_session::{declare_lint_pass, declare_tool_lint};
);
} else {
if_chain! {
- if match_def_path(cx, fun_def_id, &paths::FROM_FROM);
+ if cx.tcx.lang_items().require(LangItem::FromFrom).ok() == Some(fun_def_id);
if let [.., last_arg] = args;
if let ExprKind::Lit(spanned) = &last_arg.kind;
if let LitKind::Str(symbol, _) = spanned.node;