int :dict-count ( array $ARR )
int :dict-count ( dict $DICT )
int :arr-count ( array $ARR )
int :arr-count ( dict $DICT )

Returns the number of values present in an array or dictionary. It is recommended the value is passed by reference, as this saves the work of copying the array/dict. Can be passed multiple arguments; value returned will then be a sum of their value counts.

# :arr-count example.
:set &A :arr i0 i1 i2
:writeln :arr-count &A
:set &A[i10] i10
:writeln :dict-count &A