From: Joe Peterson <joe@...>
Date: 2006-12-15T07:48:25+09:00
Subject: String#insert method is destructive...  inconsistent?

Hi all,

I am relatively new to Ruby, and I am loving it!  I have a long Python
background, and one of the things I love about Ruby is that it is easier
to know and even remember which methods are destructive and which just
return a result.

Looking through the "String" class methods, one sticks out: "insert".

Almost all others (and all that might be ambiguous), like "delete",
"sub", etc., have both the non-destructive and destructive versions
("delete", "delete!", etc.).

Does anyone know the reason "insert" isn't this way?  It seems so
similar to delete that I would have expected it not to change the string
unless a "!" were at the end, but it looks like there is just the
non-"!" one, and it does change the string...

Thanks, LavaJoe

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