method

keys

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keys() public

Returns an an array of the names of the thread-local variables (as Symbols).

   thr = Thread.new do
     Thread.current[:cat] = 'meow'
     Thread.current["dog"] = 'woof'
   end
   thr.join   #=> #<Thread:0x401b3f10 dead>
   thr.keys   #=> [:dog, :cat]

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/*
 *  call-seq:
 *     thr.keys   => array
 *  
 *  Returns an an array of the names of the thread-local variables (as Symbols).
 *     
 *     thr = Thread.new do
 *       Thread.current[:cat] = 'meow'
 *       Thread.current["dog"] = 'woof'
 *     end
 *     thr.join   #=> #<Thread:0x401b3f10 dead>
 *     thr.keys   #=> [:dog, :cat]
 */

static VALUE
rb_thread_keys(thread)
    VALUE thread;
{
    rb_thread_t th = rb_thread_check(thread);
    VALUE ary = rb_ary_new();

    if (th->locals) {
        st_foreach(th->locals, thread_keys_i, ary);
    }
    return ary;
}

keys

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