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@ -114,8 +114,7 @@ path = "exercises/functions/functions5.rs"
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mode = "compile"
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hint = """
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This is a really common error that can be fixed by removing one character.
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It happens because Rust distinguishes between expressions and statements: expressions return
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a value based on its operand, and statements simply return a () type which behaves just like `void` in C/C++ language.
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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.
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We want to return a value of `i32` type from the `square` function, but it is returning a `()` type...
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They are not the same. There are two solutions:
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1. Add a `return` ahead of `num * num;`
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