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/*
 * Copyright 2023 Alex Cardell
 *
 * 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.cardell.openfeature

import io.cardell.openfeature.FlagValue.BooleanValue
import io.cardell.openfeature.FlagValue.DoubleValue
import io.cardell.openfeature.FlagValue.IntValue
import io.cardell.openfeature.FlagValue.StringValue
import io.cardell.openfeature.FlagValue.StructureValue

trait HasFlagValue[A] {
  def toFlagValue(a: A): FlagValue
}

object HasFlagValue {
  def apply[A](implicit h: HasFlagValue[A]): HasFlagValue[A] = implicitly

  implicit val boolean: HasFlagValue[Boolean] = BooleanValue.apply _
  implicit val int: HasFlagValue[Int]         = IntValue.apply _
  implicit val double: HasFlagValue[Double]   = DoubleValue.apply _
  implicit val string: HasFlagValue[String]   = StringValue.apply _

  implicit def structure[A: StructureCodec]: HasFlagValue[A] =
    new HasFlagValue[A] {

      def toFlagValue(a: A): FlagValue = StructureValue(
        StructureEncoder[A].encodeStructure(a)
      )

    }

}




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