mirror of https://github.com/rust-lang/rust
30 lines
534 B
Rust
30 lines
534 B
Rust
//@ compile-flags: -C opt-level=3
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pub struct FatPtr {
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ptr: *mut u8,
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len: usize,
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}
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impl FatPtr {
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pub fn new(len: usize) -> FatPtr {
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let ptr = Box::into_raw(vec![42u8; len].into_boxed_slice()) as *mut u8;
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FatPtr { ptr, len }
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}
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}
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impl std::ops::Deref for FatPtr {
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type Target = [u8];
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#[inline]
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fn deref(&self) -> &[u8] {
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unsafe { std::slice::from_raw_parts(self.ptr, self.len) }
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}
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}
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impl std::ops::Drop for FatPtr {
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fn drop(&mut self) {
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println!("Drop");
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}
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}
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