short hash, inline like for array. with curly braces off course

lib/sof/hash.rb

@@ -22,7 +22,15 @@ module Sof
       end
     end
     def short_out(io,level)
-      long_out(io,level)
+      io.write("{")
+      children.each_with_index do |child , i|
+        key , val = child
+        key.out(io , level + 1)
+        io.write " => "
+        val.out(io , level + 1)
+        io.write ", " unless (i+1) == children.length
+      end
+      io.write("}")
     end
     def long_out io , level
       indent = " " * level

test/sof.rb

@@ -60,7 +60,7 @@ class BasicSof < MiniTest::Test
   end
   def test_simple_hash
     @out = Sof::Writer.write({ one: 1 , tru: true })
-    check "-:one => 1\n-:tru => true" 
+    check "{:one => 1, :tru => true}" 
   end
   def test_hash_object
     @out = Sof::Writer.write({ one: 1 , two: ObjectWithAttributes.new })
@@ -68,7 +68,7 @@ class BasicSof < MiniTest::Test
   end
   def test_array_hash
     @out = Sof::Writer.write([true, 1 , { one: 1 , tru: true }])
-    check "-true\n-1\n--:one => 1\n -:tru => true" 
+    check "-true\n-1\n-{:one => 1, :tru => true}" 
   end
   def test_hash_array
     @out = Sof::Writer.write({ one: [1 , ObjectWithAttributes.new] , two: true })