fixes #1444

2 files changed, 3 insertions, 3 deletions

diff --git a/lib/pure/collections/sets.nim b/lib/pure/collections/sets.nim
index 22eff9c55..ce901963e 100644
--- a/lib/pure/collections/sets.nim
+++ b/lib/pure/collections/sets.nim
@@ -128,7 +128,7 @@ proc mget*[A](s: var TSet[A], key: A): var A =
   ## for sharing.
   assert s.isValid, "The set needs to be initialized."
   var index = rawGet(s, key)
-  if index >= 0: result = t.data[index].key
+  if index >= 0: result = s.data[index].key
   else: raise newException(EInvalidKey, "key not found: " & $key)
 
 proc contains*[A](s: TSet[A], key: A): bool =
diff --git a/lib/system.nim b/lib/system.nim
index 0d8f63bd4..0df8849f5 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -849,13 +849,13 @@ proc contains*[T](s: TSlice[T], value: T): bool {.noSideEffect, inline.} =
   ##   assert((1..3).contains(4) == false)
   result = s.a <= value and value <= s.b
 
-template `in` * (x, y: expr): expr {.immediate.} = contains(y, x)
+template `in` * (x, y: expr): expr {.immediate, dirty.} = contains(y, x)
   ## Sugar for contains
   ##
   ## .. code-block:: Nimrod
   ##   assert(1 in (1..3) == true)
   ##   assert(5 in (1..3) == false)
-template `notin` * (x, y: expr): expr {.immediate.} = not contains(y, x)
+template `notin` * (x, y: expr): expr {.immediate, dirty.} = not contains(y, x)
   ## Sugar for not containing
   ##
   ## .. code-block:: Nimrod