Pass by reference or pass by copy - Ruby Modules
28802
Is Ruby pass by reference or by value?
130206
Passing arguments by reference
119197
How to copy a python class?
96066
explicit copy constructor ignored even if exact argument was provided
106054
Passing pointer of dynamic var by reference
108856
Passing reference type in C#
10895
Copy constructor elision?
95776
Why copy constructor not invoked here
50958
Calling a class defined from another module
92485
JavaScript by reference vs. by value
138754
Variable scoping in Module
3868
Why use the 'ref' keyword when passing an object?
149735
Are objects in PHP passed by value or reference?
154441
How to create a deep copy of an object in Ruby?
141386
What are <-- Ruby Strings called? And how do I insert variables in them?
157777
Two Python modules require each other's contents - can that work?
91999
C++: Why pass-by-value is generally more efficient than pass-by-reference for built-in (i.e., C-like) types