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LiteralEncoders.scala
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LiteralEncoders.scala
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/*
* Copyright 2023 circe
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.circe
private[circe] trait LiteralEncoders {
private[this] final class LiteralEncoder[L](private[this] final val encoded: Json) extends Encoder[L] {
final def apply(a: L): Json = encoded
}
/**
* Encode a `String` whose value is known at compile time.
*
* @group Literal
*/
implicit final def encodeLiteralString[L <: String](implicit L: ValueOf[L]): Encoder[L] =
new LiteralEncoder[L](Encoder.encodeString(L.value))
/**
* Encode a `Double` whose value is known at compile time.
*
* @group Literal
*/
implicit final def encodeLiteralDouble[L <: Double](implicit L: ValueOf[L]): Encoder[L] =
new LiteralEncoder[L](Encoder.encodeDouble(L.value))
/**
* Encode a `Float` whose value is known at compile time.
*
* @group Literal
*/
implicit final def encodeLiteralFloat[L <: Float](implicit L: ValueOf[L]): Encoder[L] =
new LiteralEncoder[L](Encoder.encodeFloat(L.value))
/**
* Encode a `Long` whose value is known at compile time.
*
* @group Literal
*/
implicit final def encodeLiteralLong[L <: Long](implicit L: ValueOf[L]): Encoder[L] =
new LiteralEncoder[L](Encoder.encodeLong(L.value))
/**
* Encode a `Int` whose value is known at compile time.
*
* @group Literal
*/
implicit final def encodeLiteralInt[L <: Int](implicit L: ValueOf[L]): Encoder[L] =
new LiteralEncoder[L](Encoder.encodeInt(L.value))
/**
* Encode a `Char` whose value is known at compile time.
*
* @group Literal
*/
implicit final def encodeLiteralChar[L <: Char](implicit L: ValueOf[L]): Encoder[L] =
new LiteralEncoder[L](Encoder.encodeChar(L.value))
/**
* Encode a `Boolean` whose value is known at compile time.
*
* @group Literal
*/
implicit final def encodeLiteralBoolean[L <: Boolean](implicit L: ValueOf[L]): Encoder[L] =
new LiteralEncoder[L](Encoder.encodeBoolean(L.value))
}