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HFS authors/ moderators/anyone??

 
Deepa Korecherla
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In the HFS book..pg.420...the 7th question....Is the "C" option true??
If its true ...will it take the fifth key's value ..??
I don't understand..pls reply with some detail..
 
Deepa Korecherla
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It will work if foo is of type List but not Map...can anyone reply??
I;ve seen the errata also..this is not specified??
 
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