How do I send parameters in smalltalk:
- Pass-by-Value
- Pass-by-Result
- Pass-by-Value-result
- Pass-by-References
- Pass-by-Name
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AFAK, Smallscript Smalltalk uses pass-by-value as default unless you use the & sign for pass by reference just like C++, there is more information on this here.
But traditionally Smalltalk uses pass by reference as mentioned here and here.