| xgboost | 
#include <xgboost/logging.h>#include <xgboost/span.h>#include <algorithm>#include <cstddef>#include <iterator>#include <ostream>#include <string>

| 类 | |
| 结构 | xgboost::StringView | 
| 命名空间 | |
| xgboost | |
| Learner 接口,将目标、gbm 和评估整合在一起。这是用户界面 XGBoost 训练模块。 | |
| 函数 | |
| std::ostream & | xgboost::operator<< (std::ostream &os, StringView const v) | 
| bool | xgboost::operator== (StringView l, StringView r) | 
| bool | xgboost::operator!= (StringView l, StringView r) | 
| bool | xgboost::operator< (StringView l, StringView r) | 
| bool | xgboost::operator< (std::string const &l, StringView r) | 
| bool | xgboost::operator< (StringView l, std::string const &r) |