NAME
    free - free the memory used to store values of lvalues

SYNOPSIS
    free(a, b, ...)

TYPES
    a, b, ... 	any

    return	null value

DESCRIPTION
    Those of the arguments a, b, ... that specify lvalues are assigned
    the null value, effectively freeing whatever memory is used to
    store their current values.  Other arguments are ignored.

    free(.) frees the current "old value".

EXAMPLE
    > a = 7
    > mat M[3] = {1, list(2,3,4), list(5,6)}
    > print memsize(a), memsize(M)
    80 736

    > free(a, M[1])
    > print memsize(a), memsize(M)
    16 424

LIMITS
    none

LIBRARY
    none

SEE ALSO
    freeglobals, freestatics, freeredc