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Title
k
karelpeeters
06/05/2019, 5:39 PMCreate a field
colsoperator fun setM.cols[3] = vh
Hullaballoonatic
06/05/2019, 5:43 PMI have a cols field which returns a list of the column vectors
i've never thought it possible to write operator overload functions for individual fields
that's possible?
I thought a fields set operator had to have a parameter of the precise type as the type of the field's declaration
k
karelpeeters
06/05/2019, 5:46 PMNo you can't, you need an extra class and instance for this.
h
Hullaballoonatic
06/05/2019, 5:47 PMi figured
so i'd need to create a Rows class and a Cols class, essentially
k
karelpeeters
06/05/2019, 5:47 PMYes.
h
Hullaballoonatic
06/05/2019, 5:47 PMalright, doable
k
karelpeeters
06/05/2019, 5:47 PMI'm not sure which one the JVM is best at inlining away, a permanent field or a new instance returned every time from the
colsSomething to benchmark.
h
Hullaballoonatic
06/05/2019, 5:48 PMyeah, you either have to add stuff to constantly update the permanent field or it's expensive to access it every time
k
karelpeeters
06/05/2019, 5:48 PMYou don't need to update anything.
h
Hullaballoonatic
06/05/2019, 5:48 PMi can use an inner class
it'll just store pointers basically
k
karelpeeters
06/05/2019, 5:49 PMYes.