Luke Bemish created GROOVY-10735:
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Summary: Overloading assignment-and-arithmetic operators
separately from arithmetic operators
Key: GROOVY-10735
URL: https://issues.apache.org/jira/browse/GROOVY-10735
Project: Groovy
Issue Type: Improvement
Components: Compiler
Affects Versions: 4.0.4
Reporter: Luke Bemish
Groovy allows overloading arithmetical operators (+, *, -, etc.); however, this
overloading behavior does not allow for an ease of expression of operations
which ought to mutate the original object. For instance, I might have a Matrix
class that, for performance reasons, ought to be mutated at times instead of
constructing a new matrix every operation. Currently, there is no way to
overload the "+=" operator to tell Groovy that, instead of constructing a new
object using my overload of "plus", it should instead use some other overload
for "addition and assignment". This results in either not being able to use
operator overloads, or a performance impact from the creation of new mods.
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