Using if binding in Rust can be a little tricky

[alice]

Check out this answer of mine:

Questions on Rust Book (Chapters 12.5 and 13.1)

A block in Rust can take a value, and this value is the last expression found the block if that expression has no semi-colon. If the last expression has a semi-colon, the block takes on the value (). Here's an example: fn make_string(i: i32) -> String { let a_string = if i > 0 { let foo = "abc".to_string(); foo + "def" } else { "hello world".to_string() }; let b_string = { std::sleep(Duration::from_secs(1)); "bar" };…