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25 lines
552 B
Rust
25 lines
552 B
Rust
//@ run-pass
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use std::ptr;
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use std::rc::Rc;
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use std::sync::Arc;
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fn main() {
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let p: *const u8 = ptr::null();
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let rc = Rc::new(1usize);
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let arc = Arc::new(1usize);
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let b = Box::new("hi");
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let _ = format!("{:p}{:p}{:p}",
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rc, arc, b);
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if cfg!(target_pointer_width = "32") {
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assert_eq!(format!("{:#p}", p),
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"0x00000000");
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} else {
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assert_eq!(format!("{:#p}", p),
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"0x0000000000000000");
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}
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assert_eq!(format!("{:p}", p),
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"0x0");
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}
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