Hi
Doig the XP for magic literals I found
Symbol >> precedence
"Answer the receiver's precedence, assuming it is a valid Smalltalk
message selector or 0 otherwise. The numbers are 1 for unary,
2 for binary and 3 for keyword selectors."
self size = 0 ifTrue: [^ 0].
(self first isLetter or: [ self first = $_ ]) ifFalse: [^ 2].
self last = $: ifTrue: [^ 3].
^ 1
#'_foo' precedence.
"1"
#'_+' precedence.
"1"
#'+' precedence.
"2"
#'foo' precedence.
"1"
#'foo:' precedence.
"3"
#'_foo:' precedence.
“3"
And I wonder why we are concerned with _
S.
--------------------------------------------
Stéphane Ducasse
http://stephane.ducasse.free.fr / http://www.pharo.org
03 59 35 87 52
Assistant: Julie Jonas
FAX 03 59 57 78 50
TEL 03 59 35 86 16
S. Ducasse - Inria
40, avenue Halley,
Parc Scientifique de la Haute Borne, Bât.A, Park Plaza
Villeneuve d'Ascq 59650
France
