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vector_size

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Size of a Vector

Syntax

n = v.size ()

v

The object v has one of the following prototypes:

      const vec_bool& v

      const vec_int& v

      const vec_double& v

      const vec_a_double& v

n

The result has c++ prototype

      size_t n

i.e., it is a positive integer. Its value is the number of elements in the vector v .

Example

c++, python.