c# - What is meant by "never lose information" in the MSDN for implicit -


this question has answer here:

an answer following question using implicit states "implicit conversion operators should never throw exceptions , never lose information": how allow implicit conversion?

the linked msdn http://msdn.microsoft.com/en-us/library/z5z9kes2%28v=vs.71%29.aspx gives example on using implicit doesn't elaborate on meant loss of information, , i'm struggling understand mean. example think of integers vs floating point numbers seems incorrect.


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