Function core::intrinsics::size_of_val

const: unstable · source ·
pub unsafe extern "rust-intrinsic" fn size_of_val<T: ?Sized>(
    _: *const T
) -> usize
🔬This is a nightly-only experimental API. (core_intrinsics)
Expand description

引用值的大小 (以字节为单位)。

此内部函数的稳定版本为 mem::size_of_val