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-rw-r--r--docs/primer.md1
1 files changed, 1 insertions, 0 deletions
diff --git a/docs/primer.md b/docs/primer.md
index aecc368..2ffbf53 100644
--- a/docs/primer.md
+++ b/docs/primer.md
@@ -274,6 +274,7 @@ First, define a fixture class. By convention, you should give it the name
class QueueTest : public ::testing::Test {
protected:
void SetUp() override {
+ // q0_ remains empty
q1_.Enqueue(1);
q2_.Enqueue(2);
q2_.Enqueue(3);