1 if let StmtKind::Local(local) = stmt.kind
2 && let Some(init) = local.init
3 && let ExprKind::If(cond, then, Some(else_expr)) = init.kind
4 && let ExprKind::DropTemps(expr) = cond.kind
5 && let ExprKind::Lit(ref lit) = expr.kind
6 && let LitKind::Bool(true) = lit.node
7 && let ExprKind::Block(block, None) = then.kind
8 && block.stmts.len() == 1
9 && let StmtKind::Semi(e) = block.stmts[0].kind
10 && let ExprKind::Binary(op, left, right) = e.kind
11 && BinOpKind::Eq == op.node
12 && let ExprKind::Lit(ref lit1) = left.kind
13 && let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node
14 && let ExprKind::Lit(ref lit2) = right.kind
15 && let LitKind::Int(1, LitIntType::Unsuffixed) = lit2.node
16 && block.expr.is_none()
17 && let ExprKind::Block(block1, None) = else_expr.kind
18 && block1.stmts.len() == 1
19 && let StmtKind::Semi(e1) = block1.stmts[0].kind
20 && let ExprKind::Binary(op1, left1, right1) = e1.kind
21 && BinOpKind::Eq == op1.node
22 && let ExprKind::Lit(ref lit3) = left1.kind
23 && let LitKind::Int(2, LitIntType::Unsuffixed) = lit3.node
24 && let ExprKind::Lit(ref lit4) = right1.kind
25 && let LitKind::Int(2, LitIntType::Unsuffixed) = lit4.node
26 && block1.expr.is_none()
27 && let PatKind::Wild = local.pat.kind
29 // report your lint here
31 if let ExprKind::If(cond, then, Some(else_expr)) = expr.kind
32 && let ExprKind::Let(let_expr) = cond.kind
33 && let PatKind::Lit(lit_expr) = let_expr.pat.kind
34 && let ExprKind::Lit(ref lit) = lit_expr.kind
35 && let LitKind::Bool(true) = lit.node
36 && let ExprKind::Path(ref qpath) = let_expr.init.kind
37 && match_qpath(qpath, &["a"])
38 && let ExprKind::Block(block, None) = then.kind
39 && block.stmts.is_empty()
40 && block.expr.is_none()
41 && let ExprKind::Block(block1, None) = else_expr.kind
42 && block1.stmts.is_empty()
43 && block1.expr.is_none()
45 // report your lint here