Hi Jonathan, The syntax looks good and it works on my end. Are you using a nightly of MacRuby or the 0.8 trunk?
a = [0,1,2,3,4] puts "#{a}" a.enumerateObjectsUsingBlock(Proc.new{|object, index, stop| puts "object: #{object}" }) On 14/02/2011, at 5:55 AM, Jonathan Waddilove wrote: > Hi, another MacRuby 0.9 question... > > I've been trying to use lambda and/or Proc.new to provide callback blocks (as > suggested in Matt's excellent draft book). Again I have seen discussions > about problems in this area and for me all the suggested variants of code > fail. > > Here's a snip of failing code: > > #!/usr/local/bin/macruby > puts "Ruby Version: #{RUBY_VERSION}, MacRuby Version: #{MACRUBY_VERSION}" > > a = [1, 2, 3, 4, 5,] > > a.enumerateObjectsUsingBlock(Proc.new {|obj, index, stop| > puts "I'll bet this never displays" > }) > > and here's the resulting crash... > > Any suggestions? many thanks, Jonathan > > > Process: macruby [23078] > Path: > /Library/Frameworks/MacRuby.framework/Versions/0.8/usr/bin/macruby > Identifier: macruby > Version: ??? (???) > Code Type: X86-64 (Native) > Parent Process: ruby [23074] > > Date/Time: 2011-02-13 16:50:33.806 +0000 > OS Version: Mac OS X 10.6.6 (10J567) > Report Version: 6 > > Exception Type: EXC_BAD_ACCESS (SIGSEGV) > Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000 > Crashed Thread: 0 Dispatch queue: com.apple.main-thread > > Application Specific Information: > objc[23078]: garbage collection is ON > > Thread 0 Crashed: Dispatch queue: com.apple.main-thread > 0 ??? 000000000000000000 0 + 0 > 1 ??? 0x0000000102d63ac6 0 + 4342561478 > 2 libmacruby.dylib 0x000000010014a0b3 rb_vm_dispatch + 1331 > 3 ??? 0x0000000102d5a536 0 + 4342523190 > 4 ??? 0x0000000102d63806 0 + 4342560774 > 5 libmacruby.dylib 0x0000000100162d53 rb_vm_run + 531 > 6 libmacruby.dylib 0x00000001000408f0 ruby_run_node + 80 > 7 macruby 0x0000000100000d28 main + 152 > 8 macruby 0x0000000100000c88 start + 52 > > Thread 1: > 0 libSystem.B.dylib 0x00007fff88fe5f8a __workq_kernreturn + > 10 > 1 libSystem.B.dylib 0x00007fff88fe639c _pthread_wqthread + > 917 > 2 libSystem.B.dylib 0x00007fff88fe6005 start_wqthread + 13 > > Thread 0 crashed with X86 Thread State (64-bit): > rax: 0x00007fff5fbfddc0 rbx: 0x0000000000000000 rcx: 0x00007fff5fbfdf0f > rdx: 0x0000000000000000 > rdi: 0x00000002000bed00 rsi: 0x00000002000bec00 rbp: 0x00007fff5fbfdf40 > rsp: 0x00007fff5fbfdcf8 > r8: 0x0000000200000000 r9: 0x0000000000000005 r10: 0x0000000000000001 > r11: 0x0000000100af9000 > r12: 0x00000002000bec00 r13: 0x0000000000000000 r14: 0x0000000000000005 > r15: 0x0000000000000000 > rip: 0x0000000000000000 rfl: 0x0000000000010246 cr2: 0x0000000000000000 > > Binary Images: > 0x100000000 - 0x100000ff7 +macruby ??? (???) > <4408616F-9F77-025F-C278-91F945728AB0> /usr/local/bin/macruby > 0x100003000 - 0x100a29fd7 +libmacruby.dylib 0.8.0 (compatibility > 0.8.0) <8910242D-90F3-32AC-A4CA-99D5C316AEB8> > /Library/Frameworks/MacRuby.framework/Versions/0.8/usr/lib/libmacruby.dylib > 0x7fff5fc00000 - 0x7fff5fc3bdef dyld 132.1 (???) > <486E6C61-1197-CC7C-2197-82CE505102D7> /usr/lib/dyld > 0x7fff801f1000 - 0x7fff802aafff libsqlite3.dylib 9.6.0 (compatibility > 9.0.0) <2C5ED312-E646-9ADE-73A9-6199A2A43150> /usr/lib/libsqlite3.dylib > 0x7fff802ba000 - 0x7fff80478fff libicucore.A.dylib 40.0.0 > (compatibility 1.0.0) <781E7B63-2AD0-E9BA-927C-4521DB616D02> > /usr/lib/libicucore.A.dylib > 0x7fff809d0000 - 0x7fff80a8dff7 com.apple.CoreServices.OSServices 357 > (357) <7B22626F-D544-1955-CC53-240F4CACEB4A> > /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices > 0x7fff815d5000 - 0x7fff815ebfef libbsm.0.dylib ??? (???) > <42D3023A-A1F7-4121-6417-FCC6B51B3E90> /usr/lib/libbsm.0.dylib > 0x7fff817b9000 - 0x7fff817bdff7 libmathCommon.A.dylib 315.0.0 > (compatibility 1.0.0) <95718673-FEEE-B6ED-B127-BCDBDB60D4E5> > /usr/lib/system/libmathCommon.A.dylib > 0x7fff81cbb000 - 0x7fff81d05ff7 com.apple.Metadata 10.6.3 (507.15) > <5170FCE0-ED6C-2E3E-AB28-1DDE3F628FC5> > /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata > 0x7fff8208d000 - 0x7fff82310ff7 com.apple.Foundation 6.6.4 (751.42) > <AF1E3050-3503-8714-8274-EA6BD6BE8A22> > /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation > 0x7fff82318000 - 0x7fff82340fff com.apple.DictionaryServices 1.1.2 > (1.1.2) <E9269069-93FA-2B71-F9BA-FDDD23C4A65E> > /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices > 0x7fff8234d000 - 0x7fff8234dff7 com.apple.CoreServices 44 (44) > <DC7400FB-851E-7B8A-5BF6-6F50094302FB> > /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices > 0x7fff8353c000 - 0x7fff83588fff libauto.dylib ??? (???) > <F7221B46-DC4F-3153-CE61-7F52C8C293CF> /usr/lib/libauto.dylib > 0x7fff83ecb000 - 0x7fff83ed9ff7 libkxld.dylib ??? (???) > <27713C39-0E51-8F5A-877B-C5539C96A520> /usr/lib/system/libkxld.dylib > 0x7fff8400d000 - 0x7fff84184fe7 com.apple.CoreFoundation 6.6.4 > (550.42) <770C572A-CF70-168F-F43C-242B9114FCB5> > /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation > 0x7fff85109000 - 0x7fff85144fff com.apple.AE 496.4 (496.4) > <55AAD5CA-7160-7899-1C68-562ED8160DF7> > /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE > 0x7fff8532d000 - 0x7fff853bdfff com.apple.SearchKit 1.3.0 (1.3.0) > <4175DC31-1506-228A-08FD-C704AC9DF642> > /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit > 0x7fff85405000 - 0x7fff85416ff7 libz.1.dylib 1.2.3 (compatibility > 1.0.0) <97019C74-161A-3488-41EC-A6CA8738418C> /usr/lib/libz.1.dylib > 0x7fff8688b000 - 0x7fff869a2fef libxml2.2.dylib 10.3.0 (compatibility > 10.0.0) <B2FB9DA8-6EC9-FFBC-C919-C022B9CBEB73> /usr/lib/libxml2.2.dylib > 0x7fff86a93000 - 0x7fff86af3fe7 com.apple.framework.IOKit 2.0 (???) > <D107CB8A-5182-3AC4-35D0-07068A695C05> > /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit > 0x7fff874bc000 - 0x7fff87539fef libstdc++.6.dylib 7.9.0 > (compatibility 7.0.0) <35ECA411-2C08-FD7D-11B1-1B7A04921A5C> > /usr/lib/libstdc++.6.dylib > 0x7fff87940000 - 0x7fff87a12fe7 com.apple.CFNetwork 454.11.5 > (454.11.5) <5D68598D-C138-C8B6-B6AC-B1F48B01E021> > /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwork.framework/Versions/A/CFNetwork > 0x7fff8810b000 - 0x7fff881abfff com.apple.LaunchServices 362.2 > (362.2) <A8EDC37C-1D40-5ED0-49BE-90EF110A6B3A> > /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices > 0x7fff88462000 - 0x7fff886e8fff com.apple.security 6.1.1 (37594) > <1B4E1ABD-1BB3-DA49-F574-0EEB23E73C6A> > /System/Library/Frameworks/Security.framework/Versions/A/Security > 0x7fff886ea000 - 0x7fff886f9fff com.apple.NetFS 3.2.1 (3.2.1) > <E5D33870-27D2-E50B-9B35-16AA50369733> > /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS > 0x7fff88806000 - 0x7fff88b3afff com.apple.CoreServices.CarbonCore > 861.23 (861.23) <96465459-6536-3FD7-7504-B59D0390EEC5> > /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore > 0x7fff88bcb000 - 0x7fff88c81fff libobjc.A.dylib 227.0.0 > (compatibility 1.0.0) <99CB3A0F-64CF-1D16-70CD-8AED2EF06C30> > /usr/lib/libobjc.A.dylib > 0x7fff88e3d000 - 0x7fff88e7efff com.apple.SystemConfiguration 1.10.5 > (1.10.2) <FB39F09C-57BB-D8CC-348D-93E00C602F7D> > /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration > 0x7fff88e7f000 - 0x7fff88e85ff7 com.apple.DiskArbitration 2.3 (2.3) > <857F6E43-1EF4-7D53-351B-10DE0A8F992A> > /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration > 0x7fff88f93000 - 0x7fff88fbeff7 libxslt.1.dylib 3.24.0 (compatibility > 3.0.0) <87A0B228-B24A-C426-C3FB-B40D7258DD49> /usr/lib/libxslt.1.dylib > 0x7fff88fcb000 - 0x7fff8918cfff libSystem.B.dylib 125.2.1 > (compatibility 1.0.0) <F00A8B2F-84A0-0868-1047-3A13F9114864> > /usr/lib/libSystem.B.dylib > 0x7fffffe00000 - 0x7fffffe01fff libSystem.B.dylib ??? (???) > <F00A8B2F-84A0-0868-1047-3A13F9114864> /usr/lib/libSystem.B.dylib > > _______________________________________________ > MacRuby-devel mailing list > MacRuby-devel@lists.macosforge.org > http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel _______________________________________________ MacRuby-devel mailing list MacRuby-devel@lists.macosforge.org http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel