gostd_builtin (cargo): Package builtin binds the basic type in go through the type alias, and implements the basic type cast macro function.builtin 包通过类型别名绑定Go中的基础类型，并实现了基础类型强制转换宏函数。
Keywords: go-standard-library|go-to-rust|go-api|gostd|gobind|gostd-api-in-rust|gotorust