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Add isEmpty for containers #67

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Add isEmpty for containers #67

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4 changes: 4 additions & 0 deletions ninny/src/nrktkt/ninny/ast/package.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@ package object ast {
extends AnyVal
with JsonValue {

def isEmpty = values.isEmpty

def mapNames(f: String => String) = JsonObject(values.map { case (k, v) =>
f(k) -> v
})
Expand Down Expand Up @@ -96,6 +98,8 @@ package object ast {

case class JsonArray(values: Seq[JsonValue]) extends AnyVal with JsonValue {

def isEmpty = values.isEmpty

def :+[A: ToJson](value: A) =
value.toJson match {
case Some(v) => this.copy(values = values :+ v)
Expand Down