From: Harry Kakueki <list.push@...>
Date: 2013-03-29T18:32:06+09:00
Subject: Hash with default

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I would like to make a hash like h2 with the default described by h in one
line when I create the hash instead of 3 lines and 2 hashes like I did here.
Any ideas?

h = Hash.new {|x,y| x[y] = y}
h2 = {"two"=>2,"three"=>3}
h.merge!(h2)
p h["two"]     #> 2
p h["tree"]    #> "tree"



Harry

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<div dir=3D"ltr"><div>I would like to make a hash like h2 with the default =
described by h in one line when I create the hash instead of 3 lines and 2 =
hashes like I did here.<br>Any ideas?<br><br>h =3D Hash.new {|x,y| x[y] =3D=
 y}<br>

h2 =3D {&quot;two&quot;=3D&gt;2,&quot;three&quot;=3D&gt;3}<br>h.merge!(h2)<=
br>p h[&quot;two&quot;]=A0=A0=A0=A0 #&gt; 2<br>p h[&quot;tree&quot;]=A0=A0=
=A0 #&gt; &quot;tree&quot;<br><br><br><br></div>Harry<br><br></div>

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