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摘要： Functional Dependencies There is a design theory for relations that lets use examine a design carefully and make improvements based on a few simple pr 阅读全文

摘要： Handling concurrent programming safely and efficiently is another of Rust's major goals. For simplicity's sake, we'll refer to many of the problems as 阅读全文

摘要： Unsafe Rust So far, you can see that Rust has a strict memory safety guarantee at compile time. However, sometimes this safety guarantee can be annoyi 阅读全文

摘要： A pointer is a general concept for a variable contains an address in memory. Smart pointers are data structures that not only act like a pointer but a 阅读全文

摘要： Hash Tables The hash table is a main memory data structure, in such a structure there is a hash function that takes a search key as an argument and co 阅读全文

摘要： How to Write Tests Tests are functions that verify that the non test code is functioning in the expected manner. The bodies of test functions typicall 阅读全文

摘要： An index is any data structure that takes the value of one or more fields and finds the records with that value quickly. Basics Indexes can be "dense" 阅读全文

摘要： In Rust, generics is a tool for establishing abstract stand ins for concrete types or other properties. When we're writing code, we can express the be 阅读全文

摘要： Reference and Borrowing In Rust, we use sign to refer a variable, so as in C++. Reference can be used as a constant parameter passed to functions, whi 阅读全文

摘要： Error handling requires you to acknowledge the possibility of an error and take some action before your code crashes. This requirement makes your prog 阅读全文