Enum arithmetic_typing::TupleIndex

#[non_exhaustive]
pub enum TupleIndex {
    Start(usize),
    Middle,
    End(usize),
}

Index of an element within a tuple.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Start(usize)

0-based index from the start of the tuple.

Middle

Middle element.

End(usize)

0-based index from the end of the tuple.

Trait Implementations

impl Clone for TupleIndex

fn clone(&self) -> TupleIndex

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for TupleIndex

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

Formats the value using the given formatter.

impl From<TupleIndex> for ErrorPathFragment

fn from(index: TupleIndex) -> Self

Converts to this type from the input type.

impl PartialEq<TupleIndex> for TupleIndex

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for TupleIndex

impl Eq for TupleIndex

impl StructuralEq for TupleIndex

impl StructuralPartialEq for TupleIndex