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by sidlls 897 days ago
That "detail of implementation" is what is used by user code, e.g., `myError.As(...)` uses reflection, implicitly.
1 comments
Thaxll 897 days ago
Then what? It has 0 performance impact, we're talking about error handling here, it's rare and not in hot path.
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sidlls 897 days ago
It does not have 0 performance impact, it's not rare, and in applications that are in the hot path, error handling is also in the hot path.
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Thaxll 896 days ago
No, it only executes when you enter the err != nil block so it's almost never called, again 0 impact on performance.
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