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Handle nil pointer in IsTemp method in senderror.go
Added a nil check in the IsTemp method in senderror.go to prevent runtime errors when method is called on a nil object. The method now immediately returns false if it is invoked on a nil *SendError, ensuring the program's robustness against potential misuse. This increases the robustness and readability of the
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@ -106,6 +106,9 @@ func (e *SendError) Is(et error) bool {
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// IsTemp returns true if the delivery error is of temporary nature and can be retried
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func (e *SendError) IsTemp() bool {
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if e == nil {
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return false
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}
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return e.isTemp
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}
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