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lanes = require "lanes".configure{with_timers=false}
-- make sure we can copy functions with interdependant upvalues
local x = 33
local y = 44
local z = 55
local b
local a = function( n)
print( "a", n)
return n <= 0 and x or b( n-1)
end
local c
b = function( n)
print( "b", n)
return n <= 0 and y or c( n-1)
end
c = function( n)
print( "c", n)
return n <= 0 and z or a( n-1)
end
local g = lanes.gen( "base", { name = 'auto' }, a)
local l = g(7)
local r = l:join()
assert(r == y)
print(r)
local l = g(8)
local r = l:join()
assert(r == z)
print(r)
local l = g(9)
local r = l:join()
assert(r == x)
print(r)
print "TEST OK"
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