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skills/mql5/references/docs/34-standardlibrary/2041-standardlibrary-generic-arraybinarysearch.md

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+# ArrayBinarySearch
+
+Searches for the specified value in an ascending-sorted one-dimensional array using the IComparable<T> interface to compare elements.
+
+```
+template<typename T>
+int ArrayBinarySearch(
+   T&             array[],         // an array for search
+   const int      start_index,     // the starting index
+   const int      count,           // the search range
+   T              value,           // the search value
+   IComparer<T>*  comparer         // interface to compare
+   );
+
+```
+
+Parameters
+
+&array[]
+
+[out]  The array to search in.
+
+value
+
+[in]  The searched value.
+
+*comparer
+
+[in]  An interface for comparing elements.
+
+start_index
+
+[in] The starting index from which the search begins.
+
+count
+
+[in]  The length of the search range.
+
+Return Value
+
+Returns the index of the found element. If the search value is not found, it returns the index of the smallest element, which is closest in value.