Enum mule::ColumnValue

pub enum ColumnValue<A> {
    Invalid,
    Missing,
    Some(A),
}

A single value in a dataset’s column

Variants

Invalid

Missing

Some(A)

Implementations

impl<T> ColumnValue<T>

pub fn or_else(self, op: impl FnOnce() -> ColumnValue<T>) -> ColumnValue<T>

pub fn unwrap_or_else(self, op: impl FnOnce() -> T) -> T

pub fn map<U>(self, op: impl FnOnce(T) -> U) -> ColumnValue<U>

pub fn is_some(&self) -> bool

Trait Implementations

impl<A: Clone> Clone for ColumnValue<A>

fn clone(&self) -> ColumnValue<A>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<A: Copy> Copy for ColumnValue<A>

impl<A: Debug> Debug for ColumnValue<A>

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

Formats the value using the given formatter.

impl<A: Eq> Eq for ColumnValue<A>

impl<A: Hash> Hash for ColumnValue<A>

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

pub fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl<A: PartialEq> PartialEq<ColumnValue<A>> for ColumnValue<A>

fn eq(&self, other: &ColumnValue<A>) -> bool

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

fn ne(&self, other: &ColumnValue<A>) -> bool

This method tests for !=.

impl<A> StructuralEq for ColumnValue<A>

impl<A> StructuralPartialEq for ColumnValue<A>