Function std::intrinsics::const_deallocate
const: unstable · source · pub unsafe extern "rust-intrinsic" fn const_deallocate(
ptr: *mut u8,
size: usize,
align: usize
)
🔬This is a nightly-only experimental API. (
core_intrinsics
)Expand description
Deallocates a memory which allocated by intrinsics::const_allocate
at compile time.
At runtime, does nothing.
§Safety
- The
align
argument must be a power of two.- At compile time, a compile error occurs if this constraint is violated.
- At runtime, it is not checked.
- If the
ptr
is created in an another const, this intrinsic doesn’t deallocate it. - If the
ptr
is pointing to a local variable, this intrinsic doesn’t deallocate it.