C2y introduces a new operator to compute the size in elements of array-like structures, addressing a long-standing demand. The operator, presented through a macro named SIZE_KEYWORD, allows users to determine the number of elements in arrays directly in the C language. The community is invited to participate in a survey to decide the final name and usage pattern of this operator, with options including lenof, lengthof, countof, nelemsof, nelementsof, and extentof.
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