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• EnvVarSource.kt

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tech.codingzen.kata.konfig.env.EnvVarSource.kt Maven / Gradle / Ivy

package tech.codingzen.kata.konfig.env

import tech.codingzen.kata.konfig.retriever.KataKonfRetriever

@JvmInline
value class EnvVarSource(val source: Map): KataKonfRetriever {
  companion object {
    val system: EnvVarSource = EnvVarSource(System.getenv())
  }

  operator fun get(key: String) = source[key]
  operator fun contains(key: String) = key in source
  override fun retrieve(name: String): String? = get(name)
  override fun list(name: String): List? = null
}