19 lines
398 B
Rust
19 lines
398 B
Rust
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use either::*;
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enum X = Either<(uint,uint),fn()>;
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impl &X {
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fn with(blk: fn(x: &Either<(uint,uint),fn()>)) {
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blk(&**self)
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}
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}
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fn main() {
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let mut x = X(Right(main));
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do (&mut x).with |opt| { //~ ERROR illegal borrow
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match *opt {
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Right(f) => {
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x = X(Left((0,0)));
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f()
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},
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_ => fail
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}
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}
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}
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