fn check_use_try_map()

in gazebo_lint/src/lib.rs [217:232]

• 15 lines of code
• 4 McCabe index (conditional complexity)

fn check_use_try_map(cx: &LateContext, expr: &Expr) {
    let (root, method_names, _arg_lists, _method_spans) = clippy::method_calls(expr, 3);
    if method_names == [sym!(collect), sym!(map), sym!(iter)] {
        let expr_ty = cx.typeck_results().expr_ty(expr);

        if clippy::match_ty_path(
            cx,
            expr_ty,
            &["core", "result", "Result"],
            &[&["alloc", "vec", "Vec"]],
        ) && cx.typeck_results().expr_ty_adjusted(root).is_slice()
        {
            emit_lint(cx, GAZEBO_LINT_USE_TRY_MAP, expr.span);
        }
    }
}