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में काम करते हैं, मैं clay in VB.Net को आजमा रहा था लेकिन पाया कि मुझे सबकुछ काम करने में नहीं मिला।वीबी.Net का उपयोग करते समय मेरे अज्ञात प्रकार क्ले में क्यों काम नहीं करते हैं, लेकिन सी #
यहाँ है Clay
इस में काम करता है सी #
dynamic c = new ClayFactory();
var plant = c.Plant(new {LatinName = "test"});
Console.WriteLine(plant.LatinName);
Console.ReadLine();
लेकिन इस VB.Net में काम नहीं करता
Dim c As Object = New ClayFactory
Dim plant = c.Plant(New With {.LatinName = "test"})
Console.WriteLine(plant.LatinName)
Console.ReadLine()
मैं VB.Net में इस त्रुटि संदेश मिलता है:
> Cannot close over byref parameter
> '$arg1' referenced in lambda ''
मैं 100% निश्चित नहीं हूं कि इसे हल करने के लिए कैसे करें यदि मैं इसे हल भी कर सकता हूं। मैं अनुमान लगा रहा हूं कि अनाम प्रकारों के वीबी.Net कार्यान्वयन थोड़ा अलग है।
मैं इस लाइन पर त्रुटि मिलती है:
Dim plant = c.Plant(New With {.LatinName = "test"})
मैं अगर किसी ने मुझे यह समझाने सराहना करेंगे।
आईएल अलग छोड़ दिया प्रतीत होता है।
वीबी के लिए निजी क्षेत्र Latinname यह है:
.field private initonly !T0 $LatinName
सी # के लिए यह है:
.field private initonly !'<LatinName>j__TPar' '<LatinName>i__Field'
.custom instance void [mscorlib]System.Diagnostics.DebuggerBrowsableAttribute::.ctor(valuetype [mscorlib]System.Diagnostics.DebuggerBrowsableState) = (01 00 00 00 00 00 00 00)
और सार्वजनिक विधि Get_LatinName यह है।
वीबी:
.method public specialname instance !T0 get_LatinName() cil managed
{
.custom instance void [mscorlib]System.Diagnostics.DebuggerNonUserCodeAttribute::.ctor() = (01 00 00 00)
// Code size 11 (0xb)
.maxstack 1
.locals init (!T0 V_0)
IL_0000: ldarg.0
IL_0001: ldfld !0 class VB$AnonymousType_0`1::$LatinName
IL_0006: stloc.0
IL_0007: br.s IL_0009
IL_0009: ldloc.0
IL_000a: ret
} // end of method VB$AnonymousType_0`1::get_LatinName
सी #:
.method public hidebysig specialname instance !'j__TPar'
get_LatinName() cil managed
{
// Code size 11 (0xb)
.maxstack 1
.locals init (!'j__TPar' V_0)
IL_0000: ldarg.0
IL_0001: ldfld !0 class 'f__AnonymousType0`1'j__TPar'>::'i__Field'
IL_0006: stloc.0
IL_0007: br.s IL_0009
IL_0009: ldloc.0
IL_000a: ret
} // end of method 'f__AnonymousType0`1'::get_LatinName
और इन प्रमुख पद्धतियां हैं:
वीबी:
.method public static void Main() cil managed
{
.entrypoint
.custom instance void [mscorlib]System.STAThreadAttribute::.ctor() = (01 00 00 00)
// Code size 90 (0x5a)
.maxstack 7
.locals init ([0] object c,
[1] object plant,
[2] class VB$AnonymousType_0`1 VB$t_ref$S0,
[3] object[] VB$t_array$S0)
IL_0000: nop
IL_0001: newobj instance void [ClaySharp]ClaySharp.ClayFactory::.ctor()
IL_0006: stloc.0
IL_0007: ldloc.0
IL_0008: ldnull
IL_0009: ldstr "Plant"
IL_000e: ldc.i4.1
IL_000f: newarr [mscorlib]System.Object
IL_0014: stloc.3
IL_0015: ldloc.3
IL_0016: ldc.i4.0
IL_0017: ldstr "test"
IL_001c: newobj instance void class VB$AnonymousType_0`1::.ctor(!0)
IL_0021: stelem.ref
IL_0022: nop
IL_0023: ldloc.3
IL_0024: ldnull
IL_0025: ldnull
IL_0026: ldnull
IL_0027: call object [Microsoft.VisualBasic]Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(object,
class [mscorlib]System.Type,
string,
object[],
string[],
class [mscorlib]System.Type[],
bool[])
IL_002c: call object [mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(object)
IL_0031: stloc.1
IL_0032: ldloc.1
IL_0033: ldnull
IL_0034: ldstr "LatinName"
IL_0039: ldc.i4.0
IL_003a: newarr [mscorlib]System.Object
IL_003f: ldnull
IL_0040: ldnull
IL_0041: ldnull
IL_0042: call object [Microsoft.VisualBasic]Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(object,
class [mscorlib]System.Type,
string,
object[],
string[],
class [mscorlib]System.Type[],
bool[])
IL_0047: call object [mscorlib]System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(object)
IL_004c: call void [mscorlib]System.Console::WriteLine(object)
IL_0051: nop
IL_0052: call string [mscorlib]System.Console::ReadLine()
IL_0057: pop
IL_0058: nop
IL_0059: ret
} // end of method Module1::Main
सी #:
.method private hidebysig static void Main(string[] args) cil managed
{
.entrypoint
// Code size 299 (0x12b)
.maxstack 10
.locals init ([0] object c,
[1] object plant,
[2] class [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo[] CS$0$0000)
IL_0000: nop
IL_0001: newobj instance void [ClaySharp]ClaySharp.ClayFactory::.ctor()
IL_0006: stloc.0
IL_0007: ldsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1f__AnonymousType0`1',object>> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site1'
IL_000c: brtrue.s IL_004c
IL_000e: ldc.i4.0
IL_000f: ldstr "Plant"
IL_0014: ldnull
IL_0015: ldtoken ConsoleApplication2.Program
IL_001a: call class [mscorlib]System.Type [mscorlib]System.Type::GetTypeFromHandle(valuetype [mscorlib]System.RuntimeTypeHandle)
IL_001f: ldc.i4.2
IL_0020: newarr [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo
IL_0025: stloc.2
IL_0026: ldloc.2
IL_0027: ldc.i4.0
IL_0028: ldc.i4.0
IL_0029: ldnull
IL_002a: call class [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo::Create(valuetype [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfoFlags,
string)
IL_002f: stelem.ref
IL_0030: ldloc.2
IL_0031: ldc.i4.1
IL_0032: ldc.i4.1
IL_0033: ldnull
IL_0034: call class [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo::Create(valuetype [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfoFlags,
string)
IL_0039: stelem.ref
IL_003a: ldloc.2
IL_003b: call class [System.Core]System.Runtime.CompilerServices.CallSiteBinder [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.Binder::InvokeMember(valuetype [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpBinderFlags,
string,
class [mscorlib]System.Collections.Generic.IEnumerable`1,
class [mscorlib]System.Type,
class [mscorlib]System.Collections.Generic.IEnumerable`1)
IL_0040: call class [System.Core]System.Runtime.CompilerServices.CallSite`1 class [System.Core]System.Runtime.CompilerServices.CallSite`1f__AnonymousType0`1',object>>::Create(class [System.Core]System.Runtime.CompilerServices.CallSiteBinder)
IL_0045: stsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1f__AnonymousType0`1',object>> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site1'
IL_004a: br.s IL_004c
IL_004c: ldsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1f__AnonymousType0`1',object>> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site1'
IL_0051: ldfld !0 class [System.Core]System.Runtime.CompilerServices.CallSite`1f__AnonymousType0`1',object>>::Target
IL_0056: ldsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1f__AnonymousType0`1',object>> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site1'
IL_005b: ldloc.0
IL_005c: ldstr "test"
IL_0061: newobj instance void class 'f__AnonymousType0`1'::.ctor(!0)
IL_0066: callvirt instance !3 class [mscorlib]System.Func`4f__AnonymousType0`1',object>::Invoke(!0,
!1,
!2)
IL_006b: stloc.1
IL_006c: ldsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site2'
IL_0071: brtrue.s IL_00b6
IL_0073: ldc.i4 0x100
IL_0078: ldstr "WriteLine"
IL_007d: ldnull
IL_007e: ldtoken ConsoleApplication2.Program
IL_0083: call class [mscorlib]System.Type [mscorlib]System.Type::GetTypeFromHandle(valuetype [mscorlib]System.RuntimeTypeHandle)
IL_0088: ldc.i4.2
IL_0089: newarr [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo
IL_008e: stloc.2
IL_008f: ldloc.2
IL_0090: ldc.i4.0
IL_0091: ldc.i4.s 33
IL_0093: ldnull
IL_0094: call class [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo::Create(valuetype [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfoFlags,
string)
IL_0099: stelem.ref
IL_009a: ldloc.2
IL_009b: ldc.i4.1
IL_009c: ldc.i4.0
IL_009d: ldnull
IL_009e: call class [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo::Create(valuetype [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfoFlags,
string)
IL_00a3: stelem.ref
IL_00a4: ldloc.2
IL_00a5: call class [System.Core]System.Runtime.CompilerServices.CallSiteBinder [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.Binder::InvokeMember(valuetype [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpBinderFlags,
string,
class [mscorlib]System.Collections.Generic.IEnumerable`1,
class [mscorlib]System.Type,
class [mscorlib]System.Collections.Generic.IEnumerable`1)
IL_00aa: call class [System.Core]System.Runtime.CompilerServices.CallSite`1 class [System.Core]System.Runtime.CompilerServices.CallSite`1>::Create(class [System.Core]System.Runtime.CompilerServices.CallSiteBinder)
IL_00af: stsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site2'
IL_00b4: br.s IL_00b6
IL_00b6: ldsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site2'
IL_00bb: ldfld !0 class [System.Core]System.Runtime.CompilerServices.CallSite`1>::Target
IL_00c0: ldsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site2'
IL_00c5: ldtoken [mscorlib]System.Console
IL_00ca: call class [mscorlib]System.Type [mscorlib]System.Type::GetTypeFromHandle(valuetype [mscorlib]System.RuntimeTypeHandle)
IL_00cf: ldsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site3'
IL_00d4: brtrue.s IL_0109
IL_00d6: ldc.i4.0
IL_00d7: ldstr "LatinName"
IL_00dc: ldtoken ConsoleApplication2.Program
IL_00e1: call class [mscorlib]System.Type [mscorlib]System.Type::GetTypeFromHandle(valuetype [mscorlib]System.RuntimeTypeHandle)
IL_00e6: ldc.i4.1
IL_00e7: newarr [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo
IL_00ec: stloc.2
IL_00ed: ldloc.2
IL_00ee: ldc.i4.0
IL_00ef: ldc.i4.0
IL_00f0: ldnull
IL_00f1: call class [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo::Create(valuetype [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfoFlags,
string)
IL_00f6: stelem.ref
IL_00f7: ldloc.2
IL_00f8: call class [System.Core]System.Runtime.CompilerServices.CallSiteBinder [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.Binder::GetMember(valuetype [Microsoft.CSharp]Microsoft.CSharp.RuntimeBinder.CSharpBinderFlags,
string,
class [mscorlib]System.Type,
class [mscorlib]System.Collections.Generic.IEnumerable`1)
IL_00fd: call class [System.Core]System.Runtime.CompilerServices.CallSite`1 class [System.Core]System.Runtime.CompilerServices.CallSite`1>::Create(class [System.Core]System.Runtime.CompilerServices.CallSiteBinder)
IL_0102: stsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site3'
IL_0107: br.s IL_0109
IL_0109: ldsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site3'
IL_010e: ldfld !0 class [System.Core]System.Runtime.CompilerServices.CallSite`1>::Target
IL_0113: ldsfld class [System.Core]System.Runtime.CompilerServices.CallSite`1> ConsoleApplication2.Program/'o__SiteContainer0'::'p__Site3'
IL_0118: ldloc.1
IL_0119: callvirt instance !2 class [mscorlib]System.Func`3::Invoke(!0,
!1)
IL_011e: callvirt instance void class [mscorlib]System.Action`3::Invoke(!0,
!1,
!2)
IL_0123: nop
IL_0124: call string [mscorlib]System.Console::ReadLine()
IL_0129: pop
IL_012a: ret
} // end of method Program::Main
सी # और वीबी संस्करण समान नहीं हैं। ऐसा लगता है कि सी # संस्करण बहुत कुछ करता है।
एक अजीब वहाँ में कोई लैम्ब्डा है पर विचार त्रुटि है। –
अभिव्यक्ति वृक्ष संकलन करते समय यह बम। इस कोड में कई अनावश्यक चालें। –
क्योंकि आपके ब्लॉग का जवाब है, मुझे लगता है कि आपको इसे यहां पोस्ट करना चाहिए। – jbtule