use super::EXPLICIT_INTO_ITER_LOOP; use crate::utils::{snippet_with_applicability, span_lint_and_sugg}; use rustc_errors::Applicability; use rustc_hir::Expr; use rustc_lint::LateContext; pub(super) fn check(cx: &LateContext<'_>, method_args: &'hir [Expr<'hir>], arg: &Expr<'_>) { let mut applicability = Applicability::MachineApplicable; let object = snippet_with_applicability(cx, method_args[0].span, "_", &mut applicability); span_lint_and_sugg( cx, EXPLICIT_INTO_ITER_LOOP, arg.span, "it is more concise to loop over containers instead of using explicit \ iteration methods", "to write this more concisely, try", object.to_string(), applicability, ); }