Trying to concurrently borrow a value twice is never going to work. You could write a function like "double" for such a situation.
-- Abhijeet Gaiha http://about.me/abhijeet.gaiha On Sunday, 2 June 2013 at 10:03 AM, Ziad Hatahet wrote: > I have the following function: > > fn add_equal(x: &mut Complex, y: &Complex) { > x.real += y.real; > x.imag += y.imag; > } > > Calling the function with the same variable being passed to both arguments > (i.e. add_equal(&mut c, &c)), results in the compile error: > > error: cannot borrow `c` as immutable because it is also borrowed as mutable > > I am guessing this is to avoid aliasing issues? What is the way around this? > > Thanks > > -- > Ziad > _______________________________________________ > Rust-dev mailing list > Rust-dev@mozilla.org (mailto:Rust-dev@mozilla.org) > https://mail.mozilla.org/listinfo/rust-dev > >
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