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Is there anything similar to StringBuffer in Smalltalk ?

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Narender Sharma

Is there anything similar to StringBuffer in Smalltalk ?

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Thanks!

Narender

Louis LaBrunda

Re: Is there anything similar to StringBuffer in Smalltalk ?

Hi Narender,

I don't know a lot about Java and StringBuffer, so I may be misunderstanding your question but I think normal Strings should do it.

aString := 'first part', someStringVariable, 'last part'.

The "," comma will concatenate the strings. Also take a look at the WriteStream class. It is useful for building large strings with less overhead than string concatenation.

stream := WriteStream on: (String new: 1000).

stream nextPutAll: 'first part; nextPutAll: someStringVariable; nextPutAll: 'last part'; cr; cr; tab; nextPutAll: 'some more stuff'.

aString := stream contents.

Lou

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Marten Feldtmann-2

Aw: Re: Is there anything similar to StringBuffer in Smalltalk ?

StringBuffer have one feature: they are changeable. Instances of String are not changeable.

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Louis LaBrunda

Re: Aw: Re: Is there anything similar to StringBuffer in Smalltalk ?

Changeable like this:

| s |
s := 'a string' copy.
s at: 1 put: $*.
s inspect.
s

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Marten Feldtmann-2

Re: Aw: Re: Is there anything similar to StringBuffer in Smalltalk ?

Yes, I was not aware of that ... :-), but code like

| s |
s := 'a string'.
s at: 1 put: $*.
s inspect.
s

does not work, because it is a read-only object.

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Normand Mongeau-2

Re: Aw: Re: Is there anything similar to StringBuffer in Smalltalk ?

You must know that already, but string litterals are read-only for very obvious reasons.

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Narender Sharma

Re: Is there anything similar to StringBuffer in Smalltalk ?

In reply to this post by Louis LaBrunda

Thanks, it was something that I needed.

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Thanks!

Narender

Narender Sharma

Re: Is there anything similar to StringBuffer in Smalltalk ?

In reply to this post by Louis LaBrunda

Thanks Louis, WriteStream was something that I needed.

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Thanks!

Narender

Louis LaBrunda

Re: Is there anything similar to StringBuffer in Smalltalk ?

Hi,

You are very welcome! Now that you are feeling a little grateful, maybe you will forgive a personal and probably ignorant question on my part. Which is your first or given name and which is your surname, Narender or Sharma? I don't mean any disrespect. I like to keep things friendly and informal on the forum and like to address people by their given name but sometimes it is hard to tell which is which. Please forgive my ignorance of your culture.

Lou

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Narender Sharma

Re: Is there anything similar to StringBuffer in Smalltalk ?

Hi Louis,
I am fine with Narender as well as Sharma. However Narender would be more apt :). Its good to keep things friendly and hence there is nothing to forgive.

Thanks!

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Thanks!

Narender