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chore: Clean up some formatting in exercises

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Russell Cousineau
2019-06-06 19:52:42 -07:00
parent b8d59d699b
commit eb13c2b6af
11 changed files with 19 additions and 19 deletions
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exercises/functions/functions5.rs
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@ -40,7 +40,7 @@ fn square(num: i32) -> i32 {
// 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
// a value based on its operand, and statements simply return a () type which behaves just like `void` in C/C++ language.
// a value based on its operand, and statements simply return 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...
// They are not the same. There are two solutions:
// 1. Add a `return` ahead of `num * num;`