align_of_val in core::mem - Rust (original) (raw)

core::mem

Function align_of_val

1.6.0 (const: 1.85.0) · Source

pub const fn align_of_val<T: ?Sized>(val: &T) -> usize

Expand description

Returns the ABI-required minimum alignment of the type of the value that val points to in bytes.

Every reference to a value of the type T must be a multiple of this number.

§Examples

assert_eq!(4, align_of_val(&5i32));