trait Decoder[A] extends AnyRef
Decoder of Postgres text-format data into Scala types.
- Self Type
- Decoder[A]
- Source
- Decoder.scala
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- final def !=(arg0: Any): Boolean
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- def emap[B](f: (A) => Either[String, B]): Decoder[B]
Map decoded results to a new type
B
or an error, yielding aDecoder[B]
. - final def eq(arg0: AnyRef): Boolean
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- def equals(arg0: AnyRef): Boolean
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- def filter[B](f: (A) => Boolean): Decoder[A]
An equivalent decoder that filters results, failing with a generic error message when the filter condition is not met.
An equivalent decoder that filters results, failing with a generic error message when the filter condition is not met. For a custom error message use
emap
. - def finalize(): Unit
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- final def getClass(): Class[_ <: AnyRef]
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- @native()
- def gmap[B](implicit ev: Aux[B, A]): Decoder[B]
Adapt this
Decoder
from twiddle-list type A to isomorphic case-class typeB
. - def hashCode(): Int
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- final def isInstanceOf[T0]: Boolean
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- def length: Int
- def map[B](f: (A) => B): Decoder[B]
Map decoded results to a new type
B
, yielding aDecoder[B]
. - final def ne(arg0: AnyRef): Boolean
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- final def notify(): Unit
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- @native()
- final def notifyAll(): Unit
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- @native()
- def opt: Decoder[Option[A]]
Lift this
Decoder
intoOption
. - def product[B](fb: Decoder[B]): Decoder[(A, B)]
Decoder
is semigroupal: a pair of decoders make a decoder for a pair. - final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
- Definition Classes
- Decoder → AnyRef → Any
- final def wait(): Unit
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- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
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- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
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- @throws(classOf[java.lang.InterruptedException]) @native()
- def ~[B](fb: Decoder[B]): Decoder[~[A, B]]
Shorthand for
product
.