74 lines
1.6 KiB
Lua
74 lines
1.6 KiB
Lua
function printrunning()
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if coroutine.running() == nil then
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print("running is nil");
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else
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print("running is not nil")
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end
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end
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function foo (a)
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print("foo", a)
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return coroutine.yield(2*a)
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end
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co = coroutine.create(function (a,b)
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print("co-body", a, b)
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local r = foo(a+1)
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print("co-body", r)
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local r, s = coroutine.yield(a+b, a-b)
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print("co-body", r, s)
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printrunning()
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print("co.status.inside",coroutine.status(co));
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local co2 = coroutine.create(function()
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print("co.status.inside2",coroutine.status(co));
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end)
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print("co.status.inside",coroutine.status(co));
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coroutine.resume(co2);
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return b, "end"
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end)
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function exercise()
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printrunning()
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print("co.status",coroutine.status(co));
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print("main", coroutine.resume(co, 1, 10))
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print("co.status",coroutine.status(co));
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print("main", coroutine.resume(co, "r"))
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print("co.status",coroutine.status(co));
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print("main", coroutine.resume(co, "x", "y"))
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print("co.status",coroutine.status(co));
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print("main", coroutine.resume(co, "x", "y"))
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print("co.status",coroutine.status(co));
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end
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exercise();
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co = coroutine.create(function (a,b)
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print("co-body", a, b)
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local status,r = pcall( foo, a+1 )
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print("co-body", status,r)
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local r, s = coroutine.yield(a+b, a-b)
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print("co-body", r, s)
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return b, "end"
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end)
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exercise();
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-- wrap test
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local g = coroutine.wrap(function (a,b)
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print("co-body", a, b)
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local r = foo(a+1)
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print("co-body", r)
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local r, s = coroutine.yield(a+b, a-b)
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print("co-body", r, s)
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return b, "end"
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end )
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print("g", g(1, 10))
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print("g", g("r"))
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print("g", g("x", "y"))
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print("g", pcall( g, "x", "y" ))
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