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2025-01-21 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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This article introduces the reasons for avoiding type conversion in C++. The content is very detailed. Interested friends can use it for reference. I hope it will be helpful to you.
Reason (reason)
Casts are a well-known source of errors. Make some optimizations unreliable.
Type conversion is one of the well-known sources of errors. It is impossible for some optimization to be carried out reliably.
Example, bad (negative example)
Double d = 2
Auto p = (long*) & d
Auto Q = (long long*) & d
Cout
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