16 lines
320 B
Rust
16 lines
320 B
Rust
fn borrow(x: &int, f: fn(x: &int)) {
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f(x)
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}
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fn test1(x: @~int) {
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// Right now, at least, this induces a copy of the unique pointer:
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borrow({*x}) { |p|
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let x_a = ptr::addr_of(**x);
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assert (x_a as uint) != (p as uint);
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assert unsafe{*x_a} == *p;
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}
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}
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fn main() {
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test1(@~22);
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} |