Fix foldr scope

source/tanya/algorithm/iteration.d

@@ -226,7 +226,7 @@ if (F.length == 1)
      *
      * Returns: Accumulated value.
      */
-    auto foldr(R, T)(R range, auto ref T init)
+    auto foldr(R, T)(scope R range, scope return auto ref T init)
     if (isBidirectionalRange!R)
     {
         if (range.empty)

source/tanya/algorithm/mutation.d

@@ -177,9 +177,7 @@ if (isInputRange!Range && hasLvalueElements!Range)
     import tanya.memory.op : copy, fill;
     alias T = ElementType!Range;
 
-    static if (__VERSION__ >= 2083
-            && isDynamicArray!Range
-            && __traits(isZeroInit, T))
+    static if (isDynamicArray!Range && __traits(isZeroInit, T))
     {
         fill!0(range);
     }

tests/tanya/tests/format.d

@@ -258,7 +258,7 @@ unittest
 }
 
 // Typeid
-nothrow pure @safe unittest
+nothrow @safe unittest
 {
     assert(format!"{}"(typeid(int[])) == "int[]");