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https://github.com/google/mozc/issues/441
--- /src/prediction/zero_query_dict.h
+++ /src/prediction/zero_query_dict.h
@@ -147,6 +147,17 @@
return iter;
}
+ iterator &operator--() {
+ ptr_ -= kTokenByteSize;
+ return *this;
+ }
+
+ iterator operator--(int) {
+ const iterator tmp(ptr_, string_array_);
+ ptr_ -= kTokenByteSize;
+ return tmp;
+ }
+
iterator &operator-=(ptrdiff_t n) {
ptr_ -= n * kTokenByteSize;
return *this;
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