| if let ExprKind::Struct(qpath, fields, None) = expr.kind |
| && fields.len() == 1 |
| && fields[0].ident.as_str() == "field" |
| && let ExprKind::If(cond, then, Some(else_expr)) = fields[0].expr.kind |
| && let ExprKind::Lit(ref lit) = cond.kind |
| && let LitKind::Bool(true) = lit.node |
| && let ExprKind::Block(block, None) = then.kind |
| && block.stmts.is_empty() |
| && let Some(trailing_expr) = block.expr |
| && let ExprKind::Lit(ref lit1) = trailing_expr.kind |
| && let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node |
| && let ExprKind::Block(block1, None) = else_expr.kind |
| && block1.stmts.is_empty() |
| && let Some(trailing_expr1) = block1.expr |
| && let ExprKind::Lit(ref lit2) = trailing_expr1.kind |
| && let LitKind::Int(0, LitIntType::Unsuffixed) = lit2.node |
| { |
| // report your lint here |
| } |
| if let PatKind::Struct(ref qpath, fields, false) = arm.pat.kind |
| && fields.len() == 1 |
| && fields[0].ident.as_str() == "field" |
| && let PatKind::Expr(lit_expr) = fields[0].pat.kind |
| && let PatExprKind::Lit { ref lit, negated } = lit_expr.kind |
| && let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node |
| && arm.guard.is_none() |
| && let ExprKind::Block(block, None) = arm.body.kind |
| && block.stmts.is_empty() |
| && block.expr.is_none() |
| { |
| // report your lint here |
| } |
| if let PatKind::TupleStruct(ref qpath, fields, None) = arm.pat.kind |
| && fields.len() == 1 |
| && let PatKind::Expr(lit_expr) = fields[0].kind |
| && let PatExprKind::Lit { ref lit, negated } = lit_expr.kind |
| && let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node |
| && arm.guard.is_none() |
| && let ExprKind::Block(block, None) = arm.body.kind |
| && block.stmts.is_empty() |
| && block.expr.is_none() |
| { |
| // report your lint here |
| } |
| if let ExprKind::MethodCall(method_name, receiver, args, _) = expr.kind |
| && method_name.ident.as_str() == "test" |
| && args.is_empty() |
| { |
| // report your lint here |
| } |
