Re: NameError: when calling lambda from irb

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Thanks, Raj. I tried your suggestion. it return the the same error. I'm in
the directory where lambda.rb file is located. so it look like not the
issue of the file path

-Heng

On Fri, Dec 6, 2019 at 8:48 PM Raj Sahae <[email protected]> wrote:

> the problem is your load path.  try
>
> irb -I $PWD -r lamba
>
> - Raj
>
> On Fri, Dec 6, 2019, 7:18 PM Heng Li <[email protected]> wrote:
>
>> Hi all,
>> This is my lambda.rb file.  first, I run  irb -r ./lambda_counter.rb load
>> file  from terminal. then I try call db = new_db.call . I got "NameError:
>> undefined local variable or method `new_db' for main:Object". i aslo try
>> load file inside irb, use require 'lambda.rb', it's not working as well.
>> My os is mac os, ruby is 2.3.3
>> new_db = lambda do
>> db ={}
>> insert = lambda do |artist, album|
>> db[artist] =album
>> end
>> {insert: insert}
>> end
>>
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>>
>
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<div dir=3D"ltr">Thanks, Raj. I tried your suggestion. it return the the sa=
me error. I&#39;m in the directory where lambda.rb file is located. so it l=
ook like not the issue of the file path=C2=A0<div><br></div><div>-Heng=C2=
=A0=C2=A0</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Fri, Dec 6, 2019 at 8:48 PM Raj Sahae &lt;<a href=3D"mai=
lto:[email protected]">[email protected]</a>&gt; wrote:<br></div><blockqu=
ote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px=
 solid rgb(204,204,204);padding-left:1ex"><div dir=3D"auto"><div>the proble=
m is your load path.=C2=A0 try<div dir=3D"auto"><br></div><div dir=3D"auto"=
>irb -I $PWD -r lamba<br><br><div dir=3D"auto">- Raj</div></div><br><div cl=
ass=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Dec 6, 20=
19, 7:18 PM Heng Li &lt;<a href=3D"mailto:[email protected]" target=
=3D"_blank">[email protected]</a>&gt; wrote:<br></div><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid=
 rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">Hi all,<div>This is my=
 lambda.rb file.=C2=A0 first, I run=C2=A0 irb -r ./lambda_counter.rb load f=
ile=C2=A0 from terminal. then I try call db =3D new_db.call . I got &quot;N=
ameError: undefined local variable or method `new_db&#39; for main:Object&q=
uot;. i aslo try load file inside irb, use require=C2=A0&#39;lambda.rb&#39;=
, it&#39;s not working as well.</div><div>My os is mac os, ruby is 2.3.3=C2=
=A0</div><div><div style=3D"color:rgb(212,212,212);background-color:rgb(30,=
30,30);font-family:Menlo,Monaco,&quot;Courier New&quot;,monospace;font-size=
:12px;line-height:18px;white-space:pre-wrap"><div><span style=3D"color:rgb(=
156,220,254)">new_db</span> =3D <span style=3D"color:rgb(220,220,170)">lamb=
da</span> <span style=3D"color:rgb(197,134,192)">do</span> </div><div>  <sp=
an style=3D"color:rgb(156,220,254)">db</span> =3D{}</div><div>  <span style=
=3D"color:rgb(156,220,254)">insert</span> =3D <span style=3D"color:rgb(220,=
220,170)">lambda</span> <span style=3D"color:rgb(197,134,192)">do</span> |<=
span style=3D"color:rgb(156,220,254)">artist</span>, <span style=3D"color:r=
gb(156,220,254)">album</span>|</div><div>    db[<span style=3D"color:rgb(15=
6,220,254)">artist</span>] =3Dalbum</div><div>  <span style=3D"color:rgb(19=
7,134,192)">end</span></div><div>  {<span style=3D"color:rgb(86,156,214)">i=
nsert:</span> <span style=3D"color:rgb(156,220,254)">insert</span>}</div><d=
iv><span style=3D"color:rgb(197,134,192)">end</span></div></div></div></div=
>
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