Deref
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Alright, I’m tired of fruit. Let’s talk about plain old numbers again. Consider this program that only uses mutable variables, no references:
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fn main() {let x: i32 = 5;let mut y: i32 = 6;y -= 1;assert_eq!(x, y);println!("Success");}
What this means is: create a new immutable variable, x
, that holds 5. Then create a mutable variable, y
...
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