Feature #841 ยป tap-without-block.patch
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/*
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* call-seq:
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* obj.tap => obj
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* obj.tap{|x|...} => obj
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*
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* Yields <code>x</code> to the block, and then returns <code>x</code>.
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* Yields <code>x</code> to the block if given, and then returns <code>x</code>.
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* The primary purpose of this method is to "tap into" a method chain,
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* in order to perform operations on intermediate results within the chain.
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*
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| ... | ... | |
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VALUE
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rb_obj_tap(VALUE obj)
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{
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rb_yield(obj);
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if (rb_block_given_p()) {
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rb_yield(obj);
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}
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return obj;
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}
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