update README

srz-zumix · Apr 22, 2020 · fa02421 · fa02421
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commit fa02421
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diff --git a/README.md b/README.md
@@ -99,3 +99,9 @@ optional arguments:
   --sprout              use sprout
   --msgpack             use msgpack
 ```
+
+#### Example
+
+> wandbox-cxx -c gcc-head run main.cpp -DWANDBOX
+
+> CXX="wandbox-gcc run" make