You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: ptr_offset_with_cast.rs
    path of file: ./repos/rust-clippy/clippy_lints/src
    
    the code of the file until where you have to start completion: use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg};
use clippy_utils::source::snippet_opt;
use rustc_errors::Applicability;
use rustc_hir::{Expr, ExprKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_session::declare_lint_pass;
use rustc_span::sym;
use std::fmt;

declare_clippy_lint! {
    /// ### What it does
    /// Checks for usage of the `offset` pointer method with a `usize` casted to an
    /// `isize`.
    //
    
    fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) {
        // Check if the expressions is a ptr.offset or ptr.wrapping_offset method call
        let Some((receiver_expr, arg_expr, method)) = expr_as_ptr_offset_call(cx, expr) else {
            return;
        };

        // Check if the argument to the method call is a cast from usize
        let Some(cast_lhs_expr) = expr_as_cast_from_usize(cx, arg_expr) else {
            return;
        };

        let msg = format!("use of `{method}` with a `usize` casted to an `isize`");
        if let Some(sugg) = build_suggestion(cx, method, receiver_expr, cast_lhs_expr) {
            span_lint_and_sugg(
                cx,
                PTR_OFFSET_WITH_CAST,
                expr.span,
                &msg,
                "try",
                sugg,
                Applicability::MachineApplicable,
            );
        } else {
            span_lint(cx, PTR_OFFSET_WITH_CAST, expr.span, &msg);
        }
    }