The message is "at:put:". It's a single message send. I encourage you to
try the ProfStef tutorial to understand the basis.
On Oct 16, 2016 01:17, "CodeDmitry" <dimamakh...@gmail.com> wrote:
> Smalltalk objects.
> "reminder: Smalltalk arrays start at 1."
> a := Array new: 1.
> a at: 1 put: 'Hello, World'.
> Here, the Smalltalk array has a message "at: index put: value" which is
> defined many layers of prototype chaining down, at Object in category
> However there are many messages on the way traversing the prototype chain
> that start with "at:", such as(SequenceableCollection) "at: x ifAbsent: y",
> "at: x incrementBy: y".
> How does Smalltalk tell which message is which? Does it merge the messages
> into a single message such as "at: x put: y" to "atPut(x, y)" at some
> Without knowing this, I have to traverse the whole call chain and check
> whether each argument is called in a specific way, which is incredibly
> expensive. If there was a single name such as "atPut" I can easily just do
> dictionary lookup for this name and get it at O(1).
> Does Smalltalk actually store each message?
> View this message in context: http://forum.world.st/How-do-
> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.