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docs/zio.query/QueryAspect

QueryAspect

zio.query.QueryAspect
See theQueryAspect companion object
trait QueryAspect[+LowerR, -UpperR, +LowerE, -UpperE, +LowerA, -UpperA]

A QueryAspect is an aspect that can be weaved into queries. You can think of an aspect as a polymorphic function, capable of transforming one data source into another, possibly enlarging the environment type.

Attributes

Companion:
object
Graph
Supertypes
class Object
trait Matchable
class Any
Self type
QueryAspect[LowerR, UpperR, LowerE, UpperE, LowerA, UpperA]

Members list

Concise view

Value members

Abstract methods

def apply[R >: LowerR <: UpperR, E >: LowerE <: UpperE, A >: LowerA <: UpperA](query: ZQuery[R, E, A])(implicit trace: Trace): ZQuery[R, E, A]

Applies the aspect to a query.

Applies the aspect to a query.

Attributes

Concrete methods

def >>>[LowerR1 >: LowerR, UpperR1 <: UpperR, LowerE1 >: LowerE, UpperE1 <: UpperE, LowerA1 >: LowerA, UpperA1 <: UpperA](that: QueryAspect[LowerR1, UpperR1, LowerE1, UpperE1, LowerA1, UpperA1]): QueryAspect[LowerR1, UpperR1, LowerE1, UpperE1, LowerA1, UpperA1]

A symbolic alias for andThen.

A symbolic alias for andThen.

Attributes

def andThen[LowerR1 >: LowerR, UpperR1 <: UpperR, LowerE1 >: LowerE, UpperE1 <: UpperE, LowerA1 >: LowerA, UpperA1 <: UpperA](that: QueryAspect[LowerR1, UpperR1, LowerE1, UpperE1, LowerA1, UpperA1]): QueryAspect[LowerR1, UpperR1, LowerE1, UpperE1, LowerA1, UpperA1]

Returns a new aspect that represents the sequential composition of this aspect with the specified one.

Returns a new aspect that represents the sequential composition of this aspect with the specified one.

Attributes

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© 2002-2021 · LAMP/EPFL
© 2002-2021 · LAMP/EPFL