[−][src]Trait frunk::labelled::ByNameFieldPlucker
Trait for plucking out a Field
from a type by type-level TargetKey
.
Associated Types
type TargetValue
type Remainder
Required methods
fn pluck_by_name(self) -> (Field<TargetKey, Self::TargetValue>, Self::Remainder)
Returns a pair consisting of the value pointed to by the target key and the remainder.
Implementors
impl<Head, Tail, K, TailIndex> ByNameFieldPlucker<K, There<TailIndex>> for HCons<Head, Tail> where
Tail: ByNameFieldPlucker<K, TailIndex>,
[src]
Tail: ByNameFieldPlucker<K, TailIndex>,
Implementation when the pluck target key is in the tail.
type TargetValue = <Tail as ByNameFieldPlucker<K, TailIndex>>::TargetValue
type Remainder = HCons<Head, <Tail as ByNameFieldPlucker<K, TailIndex>>::Remainder>
fn pluck_by_name(
self
) -> (Field<K, <HCons<Head, Tail> as ByNameFieldPlucker<K, There<TailIndex>>>::TargetValue>, <HCons<Head, Tail> as ByNameFieldPlucker<K, There<TailIndex>>>::Remainder)
[src]
self
) -> (Field<K, <HCons<Head, Tail> as ByNameFieldPlucker<K, There<TailIndex>>>::TargetValue>, <HCons<Head, Tail> as ByNameFieldPlucker<K, There<TailIndex>>>::Remainder)
impl<K, V, Tail> ByNameFieldPlucker<K, Here> for HCons<Field<K, V>, Tail>
[src]
Implementation when the pluck target key is in the head.
type TargetValue = V
type Remainder = Tail
fn pluck_by_name(
self
) -> (Field<K, <HCons<Field<K, V>, Tail> as ByNameFieldPlucker<K, Here>>::TargetValue>, <HCons<Field<K, V>, Tail> as ByNameFieldPlucker<K, Here>>::Remainder)
[src]
self
) -> (Field<K, <HCons<Field<K, V>, Tail> as ByNameFieldPlucker<K, Here>>::TargetValue>, <HCons<Field<K, V>, Tail> as ByNameFieldPlucker<K, Here>>::Remainder)