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BEGIN {
a[1][1] = 11
a[1][2] = 12
a[2] = 2
delete a[1][1]
f(a, a[1])
print a[1][1]
print length(a), length(a[1])
delete a
print length(a), length(a[1]), length(a)
a[1][1] = 11 # this used to fatal, now it no longer does.
}
function f(c, b) {
delete b
b[1] = 1
print c[1][1], b[1]
delete c[2]
}
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