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this

The this keyword refers to the current instance within a method. It accesses the instance's fields and methods, and is the implicit receiver for unqualified member access.

Syntax & Example​

struct Counter {
    count: i64,

    pub fn increment() {
        this.count += 1;
    }

    pub fn double(): i64 {
        return this.count * 2;
    }
}

Use Cases​

  • Accessing instance fields and methods from within a method.
  • Disambiguating a field from a parameter of the same name.
  • Passing the current instance to another function.