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Fix: C# Code Generation generates method with return default(void) #4826

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Fix: C# Code Generation generates method with return default(void) #4826

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4 changes: 3 additions & 1 deletion src/NSwag.CodeGeneration.CSharp/Models/CSharpOperationModel.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -113,7 +113,9 @@ public string MethodAccessModifier
/// <summary>
/// The default value of the result type, i.e. default(T) or default(T)! depending on whether NRT are enabled.
/// </summary>
public string UnwrappedResultDefaultValue => $"default({UnwrappedResultType}){((_settings as CSharpClientGeneratorSettings)?.CSharpGeneratorSettings.GenerateNullableReferenceTypes == true ? "!" : "")}";
public string UnwrappedResultDefaultValue => HasResult
? $"default({UnwrappedResultType}){((_settings as CSharpClientGeneratorSettings)?.CSharpGeneratorSettings.GenerateNullableReferenceTypes == true ? "!" : "")}"
: null;

/// <summary>Gets or sets the synchronous type of the result.</summary>
public string SyncResultType
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2 changes: 1 addition & 1 deletion src/NSwag.CodeGeneration.CSharp/Templates/Client.Class.ProcessResponse.liquid
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Expand Up @@ -57,7 +57,7 @@ throw new {{ ExceptionClass }}<{{ response.Type }}>("{{ response.ExceptionDescri
{% if operation.WrapResponse -%}
return new {{ ResponseClass }}<{{ operation.UnwrappedResultType }}>(status_, headers_, {{ operation.UnwrappedResultDefaultValue }});
{% else -%}
return {{ operation.UnwrappedResultDefaultValue }};
{% if operation.HasResult %}return {{ operation.UnwrappedResultDefaultValue }};{% else %}return;{% endif %}
{% endif -%}
{% else -%}
{% if operation.WrapResponse -%}
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4 changes: 2 additions & 2 deletions src/NSwag.CodeGeneration.CSharp/Templates/Client.Class.liquid
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Expand Up @@ -407,7 +407,7 @@
{% if operation.WrapResponse and operation.UnwrappedResultType != "FileResponse" %}
return new {{ ResponseClass }}<{{ operation.UnwrappedResultType }}>(status_, headers_, {{ operation.UnwrappedResultDefaultValue }});
{% else -%}
return {{ operation.UnwrappedResultDefaultValue }};
{% if operation.HasResult %}return {{ operation.UnwrappedResultDefaultValue }};{% else %}return;{% endif %}
{% endif -%}
{% elsif operation.WrapResponse -%}
return new {{ ResponseClass }}(status_, headers_);
Expand All @@ -425,7 +425,7 @@
{% if operation.WrapResponse and operation.UnwrappedResultType != "FileResponse" %}
return new {{ ResponseClass }}<{{ operation.UnwrappedResultType }}>(status_, headers_, {{ operation.UnwrappedResultDefaultValue }});
{% else -%}
return {{ operation.UnwrappedResultDefaultValue }};
{% if operation.HasResult %}return {{ operation.UnwrappedResultDefaultValue }};{% else %}return;{% endif %}
{% endif -%}
{% elsif operation.WrapResponse -%}
return new {{ ResponseClass }}(status_, headers_);
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