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FFI: Fix EnumWindows example in docs.

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This commit is contained in:
Mike Pall 2011-11-15 16:45:36 +01:00
parent b1efcef745
commit e549ffcbeb
1 changed files with 2 additions and 0 deletions
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doc/ext_ffi_semantics.html
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@ -875,6 +875,7 @@ int EnumWindows(WNDENUMPROC func, intptr_t l);
local count = 0
ffi.C.EnumWindows(function(hwnd, l)
count = count + 1
return true
end, 0)
-- The callback is permanent and its resources cannot be reclaimed!
-- Ok, so this may not be a problem, if you do this only once.
@ -898,6 +899,7 @@ on the cdata object:
local count = 0
local cb = ffi.cast("WNDENUMPROC", function(hwnd, l)
count = count + 1
return true
end)
-- Pass it to a C function.