Trait llhd::table::TableKey

pub trait TableKey: Copy {
    fn new(index: usize) -> Self;
    fn invalid() -> Self;
    fn index(self) -> usize;
    fn is_invalid(self) -> bool;
}

An opaque key to uniquely identify a table entry.

Required methods

fn new(index: usize) -> Self

Create a new table key from an index.

fn invalid() -> Self

Create an invalid table key.

fn index(self) -> usize

Return the index wrapped within this table key.

fn is_invalid(self) -> bool

Return whether this table key is invalid.

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Implementors

impl TableKey for Arg

fn new(index: usize) -> Self

fn invalid() -> Self

fn index(self) -> usize

fn is_invalid(self) -> bool

impl TableKey for Block

fn new(index: usize) -> Self

fn invalid() -> Self

fn index(self) -> usize

fn is_invalid(self) -> bool

impl TableKey for DeclId

fn new(index: usize) -> Self

fn invalid() -> Self

fn index(self) -> usize

fn is_invalid(self) -> bool

impl TableKey for ExtUnit

fn new(index: usize) -> Self

fn invalid() -> Self

fn index(self) -> usize

fn is_invalid(self) -> bool

impl TableKey for Inst

fn new(index: usize) -> Self

fn invalid() -> Self

fn index(self) -> usize

fn is_invalid(self) -> bool

impl TableKey for UnitId

fn new(index: usize) -> Self

fn invalid() -> Self

fn index(self) -> usize

fn is_invalid(self) -> bool

impl TableKey for Value

fn new(index: usize) -> Self

fn invalid() -> Self

fn index(self) -> usize

fn is_invalid(self) -> bool

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