Implement .keys method

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/Config.pm6 b/lib/Config.pm6
index d0c1d93..ad9be8a 100644
--- a/lib/Config.pm6
+++ b/lib/Config.pm6
@@ -110,6 +110,31 @@ class Config is Associative is export
         defined($index);
     }
 
+    method keys()
+    {
+        my @keys;
+
+        for $!content.keys -> $key {
+            @keys.append: self.extract-keys($key);
+        }
+
+        @keys.sort;
+    }
+
+    submethod extract-keys($key)
+    {
+        my $value = self.get($key);
+        return $key if $value !~~ Iterable;
+
+        my @keys;
+
+        for $value.keys -> $nested-key {
+            @keys.append: self.extract-keys("{$key}.{$nested-key}");
+        }
+
+        return @keys;
+    }
+
     #| Reload the configuration. Requires the configuration to
     #| have been loaded from a file.
     multi method read()