Enum PackItem 

pub enum PackItem {
    Literal {
        len: u32,
    },
    Mark {
        slot: u8,
    },
    Emit {
        slot: u8,
        width: u8,
    },
}

One item in a Op::PackSegments item table.

Variants

Literal

Copy len contiguous bytes from the data object, advancing its cursor.

Fields

len: u32

Number of bytes to copy.

Mark

Record the current output position into slot.

Fields

slot: u8

Slot index; must be below crate::dra::program::MAX_OFFSET_SLOTS.

Emit

Emit the marked value of slot, zero-padded to width decimal bytes.

Fields

slot: u8

Slot index marked by an earlier PackItem::Mark.

width: u8

Exact output width in bytes; 1..=20.

Trait Implementations

impl Clone for PackItem

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PackItem

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for PackItem

impl PartialEq for PackItem

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for PackItem