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fix(functions5): Remove wrong new line and small English improvements (#885)

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alirezaghey 2021-12-15 10:44:21 +01:00 committed by GitHub
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info.toml
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@ -114,8 +114,7 @@ path = "exercises/functions/functions5.rs"
mode = "compile"
hint = """
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.
It happens because Rust distinguishes between expressions and statements: expressions return a value based on their operand(s), 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;`