func()

in resolve/resolve.go [587:627]

• 30 lines of code
• 11 McCabe index (conditional complexity)

func (r *resolver) assign(lhs syntax.Expr, isAugmented bool) {
	switch lhs := lhs.(type) {
	case *syntax.Ident:
		// x = ...
		r.bind(lhs)

	case *syntax.IndexExpr:
		// x[i] = ...
		r.expr(lhs.X)
		r.expr(lhs.Y)

	case *syntax.DotExpr:
		// x.f = ...
		r.expr(lhs.X)

	case *syntax.TupleExpr:
		// (x, y) = ...
		if isAugmented {
			r.errorf(syntax.Start(lhs), "can't use tuple expression in augmented assignment")
		}
		for _, elem := range lhs.List {
			r.assign(elem, isAugmented)
		}

	case *syntax.ListExpr:
		// [x, y, z] = ...
		if isAugmented {
			r.errorf(syntax.Start(lhs), "can't use list expression in augmented assignment")
		}
		for _, elem := range lhs.List {
			r.assign(elem, isAugmented)
		}

	case *syntax.ParenExpr:
		r.assign(lhs.X, isAugmented)

	default:
		name := strings.ToLower(strings.TrimPrefix(fmt.Sprintf("%T", lhs), "*syntax."))
		r.errorf(syntax.Start(lhs), "can't assign to %s", name)
	}
}