swift - 函数指针的应用 - 避免重复算法

swift - 函数指针的应用 - 避免重复算法。

class DataSourceBase :EmployeeDataSource {

var employees = [Employee]();

func searchByName(name: String) -> [Employee] {

return search({e -> Bool in

return e.name.rangeOfString(name) != nil;

});

}

func searchByTitle(title: String) -> [Employee] {

return search({e -> Bool in

return e.title.rangeOfString(title) != nil;

})

}

private func search(selector:(Employee ->Bool)) -> [Employee] {

var results = [Employee]();

for e in employees {

if (selector(e)) {

results.append(e);

}

}

return results;

}

}

（编辑：李大同）

【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容!