[Rust Guide] 4.3. Ownership and Functions

4.3.0 Before the Main Text After learning Rust’s general programming concepts, you reach the most important part of all of Rust— ownership . It is quite different from other languages, and many beginners find it difficult to learn. This chapter aims to help beginners fully master this feature. This chapter has three subsections: Ownership: Stack Memory vs. Heap Memory Ownership Rules, Memory, and Allocation Ownership and Functions (this article) If you find this helpful, please like, bookmark, and follow. To keep learning along, follow this series. 4.3.1 Passing Values to Functions In terms of semantics, passing a value to a function is similar to assigning a value to a variable , so to put it in one sentence: function parameter passing works the same way as assignment Next, let’s explain it in detail: passing a value to a function will cause either a move or a copy . For data types that implement the Copy trait , a copy occurs, so the original variable is not affected and can continue