Trait MaxSize

pub trait MaxSize {
    const POSTCARD_MAX_SIZE: usize;
}

Available on crate feature experimental-derive only.

This trait is used to enforce the maximum size required to store the serialization of a given type.

Required Associated Constants

const POSTCARD_MAX_SIZE: usize

The maximum possible size that the serialization of this type can have, in bytes.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl MaxSize for bool

const POSTCARD_MAX_SIZE: usize = 1usize

impl MaxSize for char

const POSTCARD_MAX_SIZE: usize = 5usize

impl MaxSize for f32

const POSTCARD_MAX_SIZE: usize = 4usize

impl MaxSize for f64

const POSTCARD_MAX_SIZE: usize = 8usize

impl MaxSize for i8

const POSTCARD_MAX_SIZE: usize = 1usize

impl MaxSize for i16

const POSTCARD_MAX_SIZE: usize = 3usize

impl MaxSize for i32

const POSTCARD_MAX_SIZE: usize = 5usize

impl MaxSize for i64

const POSTCARD_MAX_SIZE: usize = 10usize

impl MaxSize for i128

const POSTCARD_MAX_SIZE: usize = 19usize

impl MaxSize for isize

const POSTCARD_MAX_SIZE: usize = 10usize

impl MaxSize for u8

const POSTCARD_MAX_SIZE: usize = 1usize

impl MaxSize for u16

const POSTCARD_MAX_SIZE: usize = 3usize

impl MaxSize for u32

const POSTCARD_MAX_SIZE: usize = 5usize

impl MaxSize for u64

const POSTCARD_MAX_SIZE: usize = 10usize

impl MaxSize for u128

const POSTCARD_MAX_SIZE: usize = 19usize

impl MaxSize for ()

const POSTCARD_MAX_SIZE: usize = 0usize

impl MaxSize for usize

const POSTCARD_MAX_SIZE: usize = 10usize

impl MaxSize for NonZeroI8

const POSTCARD_MAX_SIZE: usize = 1usize

impl MaxSize for NonZeroI16

const POSTCARD_MAX_SIZE: usize = 3usize

impl MaxSize for NonZeroI32

const POSTCARD_MAX_SIZE: usize = 5usize

impl MaxSize for NonZeroI64

const POSTCARD_MAX_SIZE: usize = 10usize

impl MaxSize for NonZeroI128

const POSTCARD_MAX_SIZE: usize = 19usize

impl MaxSize for NonZeroIsize

const POSTCARD_MAX_SIZE: usize = 10usize

impl MaxSize for NonZeroU8

const POSTCARD_MAX_SIZE: usize = 1usize

impl MaxSize for NonZeroU16

const POSTCARD_MAX_SIZE: usize = 3usize

impl MaxSize for NonZeroU32

const POSTCARD_MAX_SIZE: usize = 5usize

impl MaxSize for NonZeroU64

const POSTCARD_MAX_SIZE: usize = 10usize

impl MaxSize for NonZeroU128

const POSTCARD_MAX_SIZE: usize = 19usize

impl MaxSize for NonZeroUsize

const POSTCARD_MAX_SIZE: usize = 10usize

impl<A: MaxSize> MaxSize for (A,)

const POSTCARD_MAX_SIZE: usize = A::POSTCARD_MAX_SIZE

impl<A: MaxSize, B: MaxSize> MaxSize for (A, B)

const POSTCARD_MAX_SIZE: usize = _

impl<A: MaxSize, B: MaxSize, C: MaxSize> MaxSize for (A, B, C)

const POSTCARD_MAX_SIZE: usize = _

impl<A: MaxSize, B: MaxSize, C: MaxSize, D: MaxSize> MaxSize for (A, B, C, D)

const POSTCARD_MAX_SIZE: usize = _

impl<A: MaxSize, B: MaxSize, C: MaxSize, D: MaxSize, E: MaxSize> MaxSize for (A, B, C, D, E)

const POSTCARD_MAX_SIZE: usize = _

impl<A: MaxSize, B: MaxSize, C: MaxSize, D: MaxSize, E: MaxSize, F: MaxSize> MaxSize for (A, B, C, D, E, F)

const POSTCARD_MAX_SIZE: usize = _

impl<T> MaxSize for PhantomData<T>

const POSTCARD_MAX_SIZE: usize = 0usize

impl<T: MaxSize> MaxSize for Option<T>

const POSTCARD_MAX_SIZE: usize = _

impl<T: MaxSize> MaxSize for &T

const POSTCARD_MAX_SIZE: usize = T::POSTCARD_MAX_SIZE

impl<T: MaxSize> MaxSize for &mut T

const POSTCARD_MAX_SIZE: usize = T::POSTCARD_MAX_SIZE

impl<T: MaxSize> MaxSize for Box<T>

Available on crate feature alloc only.

const POSTCARD_MAX_SIZE: usize = T::POSTCARD_MAX_SIZE

impl<T: MaxSize> MaxSize for Rc<T>

Available on crate feature alloc only.

const POSTCARD_MAX_SIZE: usize = T::POSTCARD_MAX_SIZE

impl<T: MaxSize> MaxSize for Arc<T>

Available on crate feature alloc and target_has_atomic="ptr" only.

const POSTCARD_MAX_SIZE: usize = T::POSTCARD_MAX_SIZE

impl<T: MaxSize, E: MaxSize> MaxSize for Result<T, E>

const POSTCARD_MAX_SIZE: usize = _

impl<T: MaxSize, const N: usize> MaxSize for [T; N]

const POSTCARD_MAX_SIZE: usize = _

impl<T: MaxSize, const N: usize> MaxSize for Vec<T, N>

Available on crate feature heapless only.

const POSTCARD_MAX_SIZE: usize = _

impl<const N: usize> MaxSize for String<N>

Available on crate feature heapless only.

const POSTCARD_MAX_SIZE: usize = _

Implementors