Loops/Downward for: Difference between revisions

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 Thus the first variant is one message send (aka virtual function call) to the number, whereas the second is two message sends and an object instantiation.
-The nice thing with Intervals is that they can be concatenated with a <tt>","</tt> operator (like all collections); thus, I could als write:
+The nice thing with Intervals is that they can be concatenated with a <tt>","</tt> operator (like all collections); thus, I could also write:
 <lang smalltalk>(10 to: 6 by: -1),(1 to: 5) do:[:aNumber |
   aNumber displayNl.
 ]</lang>
 to enumerate in a different order,
-or combine ranges with a constant array:
+<br>or combine ranges with a constant array:
 <lang smalltalk>(10 to: 2 by: -2),#(99 999),(1 to: 10 by: 2) do:[:aNumber |
   aNumber displayNl.