Merge pull request #2139 from c-blake/devel

Add mgetOrPut to support just one probe chase for the common

tests/collections/ttables.nim

@@ -65,7 +65,15 @@ block tableTest2:
   
   for key, val in items(data): t[key] = val.toFloat
   for key, val in items(data): assert t[key] == val.toFloat
-  
+
+  assert(not t.hasKeyOrPut("456", 4.0))     # test absent key
+  assert t.hasKeyOrPut("012", 3.0)          # test present key
+  var x = t.mgetOrPut("111", 1.5)           # test absent key
+  x = x * 2
+  assert x == 3.0
+  x = t.mgetOrPut("test", 1.5)              # test present key
+  x = x * 2
+  assert x == 2 * 1.2345
 
 block orderedTableTest1:
   var t = initOrderedTable[string, int](2)

tests/collections/ttablesref.nim

@@ -47,7 +47,7 @@ block tableTest1:
     for y in 0..1:
       assert t[(x,y)] == $x & $y
   assert($t == 
-    "{(x: 0, y: 0): 00, (x: 0, y: 1): 01, (x: 1, y: 0): 10, (x: 1, y: 1): 11}")
+    "{(x: 0, y: 1): 01, (x: 0, y: 0): 00, (x: 1, y: 0): 10, (x: 1, y: 1): 11}")
 
 block tableTest2:
   var t = newTable[string, float]()