Array of Arrays (with variables)

Question

hello everybody, happy new year!

so, I have this expression:

 

| minor major  |
minor := #( 0 2 3 5 7 8 10 12).
major := #(0 2 4 5 7 9 11 12).
!Root +
(!Mode of: #(

{!Step of: major } {!Step of: major} ))

 

but as I run the sound, the Interprter tells me that major is undeclared.

what is my mistake?

thanks.

d

Answer 1

It doesn't see the variable, major, because it is within curly braces, making it a literal. Try this slight rearrangement instead:

| minor major  |
minor := #( 0 2 3 5 7 8 10 12).
major := #(0 2 4 5 7 9 11 12).
!Root + 
(!Mode of: (Array with: (!Step of: major) with: (!Step of: minor) ))

Comments

thanks a lot!
so, should variables never placed inside curly brackets?

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Yes the curly braces mean "literal" so everything inside those braces is considered constant and unchanging. That's why there cannot be any variables inside.