14 lines
297 B
Rust
14 lines
297 B
Rust
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mod ctr {
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pub enum ctr { priv mkCtr(int) }
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pub fn new(i: int) -> ctr { mkCtr(i) }
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pub fn inc(c: ctr) -> ctr { mkCtr(*c + 1) }
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}
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fn main() {
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let c = ctr::new(42);
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let c2 = ctr::inc(c);
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assert *c2 == 5; //~ ERROR can only dereference enums with a single, public variant
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}
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