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LeakingImplicitClassVal

Non-private val fields of implicit classes leak as publicly accessible extension methods. This rule adds the private access modifier on the field of implicit value classes in order to prevent direct access.

// before
implicit class XtensionVal(val str: String) extends AnyVal {
  def doubled: String = str + str
}
"message".str // compiles

// after
implicit class XtensionValFixed(private val str: String) extends AnyVal {
  def doubled: String = str + str
}
"message".str // does not compile

This rule only triggers for val fields, it ignores other modifiers such as var.

← ExplicitResultTypesNoAutoTupling →