.ObjectByName("ctrl")

gistfile1.txt

panic: invalid memory address or nil pointer dereference
fatal error: panic during malloc
[signal 0xc0000005 code=0x0 addr=0x20 pc=0x41b60a]

runtime stack:
runtime.panic(0x4f2780, 0x671578)
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/panic.c:233 +0x2b
runtime: unexpected return pc for runtime.sigpanic called from 0x6fcaef11

goroutine 4 [syscall]:
runtime.cgocall(0x48c5eb, 0x3e56b4)
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/cgocall.c:149 +0x10c fp=0x3e56a8
gopkg.in/qml%2ev0._Cfunc_objectFindChild(0x32982220, 0x32a1cda8, 0x124b7250)
        C:/Users/Maxim/AppData/Local/Temp/go-build746801743/gopkg.in/qml.v0/_obj/_cgo_defun.c:373 +0x33 fp=0x3e56b4
gopkg.in/qml%2ev0.func┬╖020()
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/qml.go:663 +0x7c fp=0x3e56d0
gopkg.in/qml%2ev0.hookIdleTimer()
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/bridge.go:178 +0x53 fp=0x3e56e8
----- stack segment boundary -----
runtime.cgocallbackg1()
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/cgocall.c:296 +0xb4 fp=0x3e574c
runtime.cgocallbackg()
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/cgocall.c:266 +0x7a fp=0x3e5754
runtime.cgocallback_gofunc(0x403bd0, 0x48c11b, 0x3e57a0)
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/asm_386.s:676 +0x57 fp=0x3e5764
runtime.asmcgocall(0x48c11b, 0x3e57a0)
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/asm_386.s:584 +0x22 fp=0x3e5768
runtime.cgocall(0x48c11b, 0x3e57a0)
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/cgocall.c:149 +0x120 fp=0x3e5794
gopkg.in/qml%2ev0._Cfunc_applicationExec(0x6790e8)
        C:/Users/Maxim/AppData/Local/Temp/go-build746801743/gopkg.in/qml.v0/_obj/_cgo_defun.c:58 +0x33 fp=0x3e57a0
gopkg.in/qml%2ev0.guiLoop()
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/bridge.go:43 +0xe9 fp=0x3e57cc
runtime.goexit()
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/proc.c:1394 fp=0x3e57d0
created by gopkg.in/qml%2ev0.Init
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/qml.go:44 +0x8c

goroutine 1 [chan receive]:
gopkg.in/qml%2ev0.RunMain(0x124ca900)
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/bridge.go:76 +0xa4
gopkg.in/qml%2ev0.(*Common).ObjectByName(0x124b02d8, 0x5034e8, 0x4, 0x2ac8c8, 0x124b0298)
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/qml.go:664 +0xdc
main.run(0x1, 0xffffffff)
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/examples/customtype/customtype.go:38 +0x133
main.main()
        C:/Users/Maxim/Go/src/gopkg.in/qml.v0/examples/customtype/customtype.go:11 +0x20

goroutine 3 [syscall]:
runtime.goexit()
        C:/Users/ADMINI~1/AppData/Local/Temp/2/makerelease529514319/go/src/pkg/runtime/proc.c:1394
exit status 2