The BitVector data structure is commonly used in computer programming to efficiently store and manipulate binary data. The find_first() function is a member method of the BitVector class that returns the index of the first occurrence of a specified bit value in the vector.
Example 1: Suppose we have a BitVector object named bv that contains the binary value 10110101. Calling bv.find_first(0) would return the value 1, as the first occurrence of the bit value 0 appears at index 1 in the vector.
Example 2: A second example could be used to find the first occurrence of a specific binary pattern within the BitVector. If we have a BitVector containing the binary string 0110010101101001, calling the find_first() function with the argument 0b1101 (which represents the binary pattern 1101) would return the value 5, as the pattern first occurs starting at index 5 in the vector.
The BitVector class and its associated functions are part of the Boost C++ Libraries package.
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