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Clarify implicit unit return in functions chapter #4702

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Clarify implicit unit return in functions chapter #4702

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8 changes: 4 additions & 4 deletions src/ch03-03-how-functions-work.md
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Expand Up @@ -247,7 +247,7 @@ Compiling this code will produce an error, as follows:
The main error message, `mismatched types`, reveals the core issue with this
code. The definition of the function `plus_one` says that it will return an
`i32`, but statements don’t evaluate to a value, which is expressed by `()`,
the unit type. Therefore, nothing is returned, which contradicts the function
definition and results in an error. In this output, Rust provides a message to
possibly help rectify this issue: It suggests removing the semicolon, which
would fix the error.
the unit type. Therefore, the function implicitly returns `()`, which
contradicts the function definition and results in an error. In this output,
Rust provides a message to possibly help rectify this issue: It suggests
removing the semicolon, which would fix the error.