Re: [Pharo-users] How do Smalltalk disambiguate messages?

Oct. 16, 2016


      On Sun, Oct 16, 2016 at 9:11 PM, Charlie Robbats
<charlie.robbats@gmail.com> wrote:
...
Here, Dmitry, try this code in playground...maybe helps you understand
| lookupClosure |
lookupClosure := [].
lookupClosure := [:cls :selector |
    (cls == nil)
        ifTrue: [Warning signal: ('selector lookup failure: ', selector)].
    (cls methodDictionary
        at: selector
        ifAbsent: [nil])
            ifNil: [lookupClosure value: cls superclass value: selector]
            ifNotNil: [:meth | Smalltalk tools browser openOnMethod: meth]].
lookupClosure value: Array value: #at:put:.
Nice example.  Slightly improved...

| lookupClosure |
lookupClosure := [].
lookupClosure := [:cls :selector |
    (cls == nil)
        ifTrue: [Warning signal: ('selector lookup failure: ', selector)].
    cls methodDictionary
        at: selector
        ifPresent: [:meth | Smalltalk tools browser openOnMethod: meth]
        ifAbsent: [lookupClosure value: cls superclass value: selector]].
lookupClosure value: Array value: #at:put:.

cheers -ben

Re: [Pharo-users] How do Smalltalk disambiguate messages?

Ben Coman