feat(variable): Allow accessing dictionary count

2017-05-02 14:52:55 +08:00
parent 3180b26673
commit 14bac03990
3 changed files with 16 additions and 1 deletions
--- a/Sources/Variable.swift
+++ b/Sources/Variable.swift
@@ -74,7 +74,11 @@ public struct Variable : Equatable, Resolvable {
      if let context = current as? Context {
        current = context[bit]
      } else if let dictionary = current as? [String: Any] {
-        current = dictionary[bit]
+        if bit == "count" {
+          current = dictionary.count
+        } else {
+          current = dictionary[bit]
+        }
      } else if let array = current as? [Any] {
        if let index = Int(bit) {
          if index >= 0 && index < array.count {