thread_variable_get(key)
Instance Public methods
Returns the value of a thread local variable that has been set. Note that these are different than fiber local values.
Thread local values are carried along with threads, and do not respect fibers. For example:
Thread.new {
Thread.current.thread_variable_set("foo", "bar") # set a thread local
Thread.current["foo"] = "bar" # set a fiber local
Fiber.new {
Fiber.yield [
Thread.current.thread_variable_get("foo"), # get the thread local
Thread.current["foo"], # get the fiber local
]
}.resume
}.join.value # => ['bar', nil]
The value "bar" is returned for the thread local,
where nil is returned for the fiber local. The fiber is
executed in the same thread, so the thread local values are available.
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