marco/rustlings-solutions
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update functions5.rs

Browse Source
This commit is contained in:
Michael-Lai fx 2018-10-11 20:02:19 +08:00 committed by GitHub
parent a6bb340c2c
commit bce303259f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
functions/functions5.rs
View File

@ -40,7 +40,7 @@ fn square(num: i32) -> i32 {
// This is a really common error that can be fixed by removing one character. // This is a really common error that can be fixed by removing one character.
// It happens because Rust distinguishes between expressions and statements: expressions return // It happens because Rust distinguishes between expressions and statements: expressions return
// a value based on its operand and statements simply retun a `()` type which just like `void` in C/C++ language. // a value based on its operand, and statements simply retun a () type which behaves just like `void` in C/C++ language.
// We want to return a value of `i32` type from the `square` function, but it is returning a `()` type... // We want to return a value of `i32` type from the `square` function, but it is returning a `()` type...
// They are not the same. There are two solusions: // They are not the same. There are two solusions:
// 1. Add a `return` ahead of `num * num;` // 1. Add a `return` ahead of `num * num;`