Handle empty tuple (#95)

532ed620 · Xin Li · Tianqi Chen · 3ae81914 · 532ed620
Commit 532ed620 authored Jan 11, 2017 by Xin Li Committed by Tianqi Chen May 29, 2018
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nnvm/include/nnvm/tuple.h
+9 -0

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--- a/nnvm/include/nnvm/tuple.h
+++ b/nnvm/include/nnvm/tuple.h
@@ -233,6 +233,15 @@ class Tuple {
        return is;
    }
    }
+    // Handle empty tuple
+    while (isspace(is.peek())) {
+      is.get();
+    }
+    if (is.peek() == ')') {
+      is.get();
+      return is;
+    }
+    // Handle non-empty tuple
    ValueType idx;
    std::vector<ValueType> tmp;
    while (is >> idx) {