21 Apr
2010
21 Apr
'10
4:46 p.m.
On 21 avr. 2010, at 16:25, Lukas Renggli wrote:
Good remark. I always wonder why people (feel obliged to?) put only symbols inside of
literal arrays, when the following works and is more readable:
dSMMatrix := DSMMatrix withNodes: #(1 2 3) edges: #((1 2) (2 1) (3 1)).
> dSMMatrix
:= DSMMatrix withNodes: #(#1 #2 #3) edges: #(#(#1 #2) #(#2 #1)
> #(#3 #1)).
Just as a side remark, but I already stumbled several times over code
like the above in Mondrian and Glamour:
#1 " is not valid Smalltalk "
It does not parse with any parser other then the default one in
Pharo/Squeak. Up until a few minutes ago it broke the refactoring
engine badly. Pharo strangely compiles the above expression to the
number 1. So why not just put the number, which also saves you one
character?
1 " is a valid number "
To get a symbol with 1 you need to put the number in quotes:
#'1' " is a valid symbol "
Lukas
--
Lukas Renggli
www.lukas-renggli.ch
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Simon