kotlin-unwrap


Source link: https://github.com/importre/kotlin-unwrap

kotlin-unwrap

🎁📦💝🎁📦💝🎁📦💝

Unwrap nullable variables

build.gradle

repositories {

  jcenter() 
}
  dependencies {

  compile "com.importre:kotlin-unwrap:<VERSION>" 
}

Example

// returns nullable fun foo(name: String?): String? = name  val _a = foo("Hello") val _b = foo("World") val _c = foo("!")  // example: unwrap all variables unwrap(_a, _b, _c) {
 a, b, c ->
  println("$a, $b$c") // invoked 
}

Error handling using otherwise

val _a = foo("Hello") val _b = foo("World") val _c = foo(null)  // example: error handing unwrap(_a, _b, _c) {
 a, b, c ->
  println("$a, $b$c") // not invoked 
}
 otherwise {

  println("Nah!")
  // invoked because `_c` is null 
}

Test

$ ./gradlew check

License

Apache 2.0 © Jaewe Heo

Resources

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