| if let StmtKind::Let(local) = stmt.kind |
| && let Some(init) = local.init |
| && let ExprKind::Match(scrutinee, arms, MatchSource::Normal) = init.kind |
| && let ExprKind::Lit(ref lit) = scrutinee.kind |
| && let LitKind::Int(42, LitIntType::Unsuffixed) = lit.node |
| && arms.len() == 3 |
| && let PatKind::Expr(lit_expr) = arms[0].pat.kind |
| && let PatExprKind::Lit { ref lit1, negated } = lit_expr.kind |
| && let LitKind::Int(16, LitIntType::Unsuffixed) = lit1.node |
| && arms[0].guard.is_none() |
| && let ExprKind::Lit(ref lit2) = arms[0].body.kind |
| && let LitKind::Int(5, LitIntType::Unsuffixed) = lit2.node |
| && let PatKind::Expr(lit_expr1) = arms[1].pat.kind |
| && let PatExprKind::Lit { ref lit3, negated1 } = lit_expr1.kind |
| && let LitKind::Int(17, LitIntType::Unsuffixed) = lit3.node |
| && arms[1].guard.is_none() |
| && let ExprKind::Block(block, None) = arms[1].body.kind |
| && block.stmts.len() == 1 |
| && let StmtKind::Let(local1) = block.stmts[0].kind |
| && let Some(init1) = local1.init |
| && let ExprKind::Lit(ref lit4) = init1.kind |
| && let LitKind::Int(3, LitIntType::Unsuffixed) = lit4.node |
| && let PatKind::Binding(BindingMode::NONE, _, name, None) = local1.pat.kind |
| && name.as_str() == "x" |
| && let Some(trailing_expr) = block.expr |
| && let PatKind::Wild = arms[2].pat.kind |
| && arms[2].guard.is_none() |
| && let ExprKind::Lit(ref lit5) = arms[2].body.kind |
| && let LitKind::Int(1, LitIntType::Unsuffixed) = lit5.node |
| && let PatKind::Binding(BindingMode::NONE, _, name1, None) = local.pat.kind |
| && name1.as_str() == "a" |
| { |
| // report your lint here |
| } |
