p
formatting.
The Pointer
trait should format its output as a memory location. This is commonly presented
as hexadecimal.
For more information on formatters, see the module-level documentation.
Basic usage with &i32
:
let x = &42;
let address = format!("{:p}", x); Run
Implementing Pointer
on a type:
use std::fmt;
struct Length(i32);
impl fmt::Pointer for Length {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{:p}", self as *const Length)
}
}
let l = Length(42);
println!("l is in memory here: {:p}", l);Run
Formats the value using the given formatter.
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impl<'_, T: ?Sized> Pointer for &'_ T
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impl<'_, T: ?Sized> Pointer for &'_ mut T
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impl<Ret> Pointer for extern "C" fn() -> Ret
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impl<Ret> Pointer for fn() -> Ret
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impl<Ret> Pointer for unsafe extern "C" fn() -> Ret
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impl<Ret> Pointer for unsafe fn() -> Ret
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impl<Ret, A> Pointer for extern "C" fn(_: A) -> Ret
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impl<Ret, A> Pointer for extern "C" fn(_: A, _: ...) -> Ret
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impl<Ret, A> Pointer for fn(_: A) -> Ret
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impl<Ret, A> Pointer for unsafe extern "C" fn(_: A) -> Ret
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impl<Ret, A> Pointer for unsafe extern "C" fn(_: A, _: ...) -> Ret
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impl<Ret, A> Pointer for unsafe fn(_: A) -> Ret
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impl<Ret, A, B> Pointer for extern "C" fn(_: A, _: B) -> Ret
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impl<Ret, A, B> Pointer for extern "C" fn(_: A, _: B, _: ...) -> Ret
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impl<Ret, A, B> Pointer for fn(_: A, _: B) -> Ret
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impl<Ret, A, B> Pointer for unsafe extern "C" fn(_: A, _: B) -> Ret
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impl<Ret, A, B> Pointer for unsafe extern "C" fn(_: A, _: B, _: ...) -> Ret
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impl<Ret, A, B> Pointer for unsafe fn(_: A, _: B) -> Ret
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impl<Ret, A, B, C> Pointer for extern "C" fn(_: A, _: B, _: C) -> Ret
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impl<Ret, A, B, C> Pointer for extern "C" fn(_: A, _: B, _: C, _: ...) -> Ret
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impl<Ret, A, B, C> Pointer for fn(_: A, _: B, _: C) -> Ret
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impl<Ret, A, B, C> Pointer for unsafe extern "C" fn(_: A, _: B, _: C) -> Ret
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impl<Ret, A, B, C> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: ...) -> Ret
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impl<Ret, A, B, C> Pointer for unsafe fn(_: A, _: B, _: C) -> Ret
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impl<Ret, A, B, C, D> Pointer for extern "C" fn(_: A, _: B, _: C, _: D) -> Ret
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impl<Ret, A, B, C, D> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: ...) -> Ret
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impl<Ret, A, B, C, D> Pointer for fn(_: A, _: B, _: C, _: D) -> Ret
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impl<Ret, A, B, C, D> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D) -> Ret
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impl<Ret, A, B, C, D> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: ...) -> Ret
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impl<Ret, A, B, C, D> Pointer for unsafe fn(_: A, _: B, _: C, _: D) -> Ret
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impl<Ret, A, B, C, D, E> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E) -> Ret
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impl<Ret, A, B, C, D, E> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: ...) -> Ret
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impl<Ret, A, B, C, D, E> Pointer for fn(_: A, _: B, _: C, _: D, _: E) -> Ret
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impl<Ret, A, B, C, D, E> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E) -> Ret
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impl<Ret, A, B, C, D, E> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: ...) -> Ret
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impl<Ret, A, B, C, D, E> Pointer for unsafe fn(_: A, _: B, _: C, _: D, _: E) -> Ret
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impl<Ret, A, B, C, D, E, F> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F) -> Ret
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impl<Ret, A, B, C, D, E, F> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F> Pointer for fn(_: A, _: B, _: C, _: D, _: E, _: F) -> Ret
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impl<Ret, A, B, C, D, E, F> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F) -> Ret
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impl<Ret, A, B, C, D, E, F> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F> Pointer for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F) -> Ret
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impl<Ret, A, B, C, D, E, F, G> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G) -> Ret
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impl<Ret, A, B, C, D, E, F, G> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G> Pointer for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G) -> Ret
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impl<Ret, A, B, C, D, E, F, G> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G) -> Ret
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impl<Ret, A, B, C, D, E, F, G> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G> Pointer for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H> Pointer for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H> Pointer for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I> Pointer for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I> Pointer for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J> Pointer for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J> Pointer for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Pointer for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K> Pointer for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Pointer for extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Pointer for fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Pointer for unsafe extern "C" fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L, _: ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> Pointer for unsafe fn(_: A, _: B, _: C, _: D, _: E, _: F, _: G, _: H, _: I, _: J, _: K, _: L) -> Ret
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impl<T: ?Sized> Pointer for *const T
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impl<T: ?Sized> Pointer for *mut T
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