From: Tobias Reif <tobiasreif@...>
Date: 2001-10-31T21:15:11+09:00
Subject: [ruby-talk:23938] Re: References in methods

Ralph Mason wrote:

> It appears that altering a string in a method does not always alter the 
> passed in string. Could someone please explain this behavior.


-----
def meth01(x)
     x.gsub(/b/,"a")
end
def meth02(x)
     x += "X"
end

s = "abc"

p meth01(s)
# -> "aac"

p meth02(s)
# -> "abcX"
-----


HTH,

Tobi

-- 
Tobias Reif
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