Add getAndPopFront()/getAndPopBack()

2019-04-17 06:27:18 +02:00
parent f214f3baa2
commit 76bda0ac8d
3 changed files with 98 additions and 9 deletions
--- a/source/tanya/algorithm/iteration.d
+++ b/source/tanya/algorithm/iteration.d
@ -756,7 +756,7 @@ if (F.length == 1)
     *
     * Returns: Accumulated value.
     */
-    T foldl(R, T)(R range, auto ref T init)
+    auto foldl(R, T)(R range, auto ref T init)
    if (isInputRange!R && !isInfinite!R)
    {
        if (range.empty)
@ -765,8 +765,7 @@ if (F.length == 1)
        }
        else
        {
-            auto acc = F[0](init, range.front);
-            range.popFront;
+            auto acc = F[0](init, getAndPopFront(range));
            return foldl(range, acc);
        }
    }