| if let StmtKind::Let(local) = stmt.kind |
| && let Some(init) = local.init |
| && let ExprKind::If(cond, then, Some(else_expr)) = init.kind |
| && let ExprKind::DropTemps(expr) = cond.kind |
| && let ExprKind::Lit(ref lit) = expr.kind |
| && let LitKind::Bool(true) = lit.node |
| && let ExprKind::Block(block, None) = then.kind |
| && block.stmts.len() == 1 |
| && let StmtKind::Semi(e) = block.stmts[0].kind |
| && let ExprKind::Binary(op, left, right) = e.kind |
| && BinOpKind::Eq == op.node |
| && let ExprKind::Lit(ref lit1) = left.kind |
| && let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node |
| && let ExprKind::Lit(ref lit2) = right.kind |
| && let LitKind::Int(1, LitIntType::Unsuffixed) = lit2.node |
| && block.expr.is_none() |
| && let ExprKind::Block(block1, None) = else_expr.kind |
| && block1.stmts.len() == 1 |
| && let StmtKind::Semi(e1) = block1.stmts[0].kind |
| && let ExprKind::Binary(op1, left1, right1) = e1.kind |
| && BinOpKind::Eq == op1.node |
| && let ExprKind::Lit(ref lit3) = left1.kind |
| && let LitKind::Int(2, LitIntType::Unsuffixed) = lit3.node |
| && let ExprKind::Lit(ref lit4) = right1.kind |
| && let LitKind::Int(2, LitIntType::Unsuffixed) = lit4.node |
| && block1.expr.is_none() |
| && let PatKind::Wild = local.pat.kind |
| { |
| // report your lint here |
| } |
| if let ExprKind::If(cond, then, Some(else_expr)) = expr.kind |
| && let ExprKind::Let(let_expr) = cond.kind |
| && let PatKind::Lit(lit_expr) = let_expr.pat.kind |
| && let ExprKind::Lit(ref lit) = lit_expr.kind |
| && let LitKind::Bool(true) = lit.node |
| && let ExprKind::Path(ref qpath) = let_expr.init.kind |
| && match_qpath(qpath, &["a"]) |
| && let ExprKind::Block(block, None) = then.kind |
| && block.stmts.is_empty() |
| && block.expr.is_none() |
| && let ExprKind::Block(block1, None) = else_expr.kind |
| && block1.stmts.is_empty() |
| && block1.expr.is_none() |
| { |
| // report your lint here |
| } |
