NAME
    issimple - whether a value is a simple type

SYNOPSIS
    issimple(x)

TYPES
    x		any, &any

    return	int

DESCRIPTION
    Determine if x is a simple type.  This function will return 1 if x
    is a simple type, 0 otherwise.  Simple types are real numbers,
    complex numbers, strings and null values.

EXAMPLE
    > print issimple(2.0), issimple(1), issimple("0")
    1 1 1

    > print issimple(2i), issimple(1e20), issimple(1/3), issimple(null())
    1 1 1 1

    > mat a[2]
    > b = list(1,2,3)
    > c = assoc()
    > obj chongo {was, here} d;
    > print issimple(a), issimple(b), issimple(c), issimple(d)
    0 0 0 0

LIMITS
    none

LIBRARY
    none

SEE ALSO
    isassoc, isfile, isint, islist, ismat, isnull, isnum, isobj, isreal,
    isstr, issimple, istype
