I know the basic difference between lua_call()
or lua_pcall()
, the later one provides more error details.
Is there any other difference? How to decide which to use?
Use lua_pcall
when you need to handle potential errors at that point in the code. Otherwise, use lua_call
and let the error move up the call chain. No need to get paranoid using lua_pcall
everywhere.
lua_call
is faster than lua_pcall
.
Just make sure there is at least one lua_pcall
at the top or your app will panic and exit when finding any Lua errors.
Use lua_pcall
in all situation unless you have some specific performance issues . Then use lua_call
. But again, only if you have profiled your application and discovered a specific performance issue that lua_call
will alleviate.
If a Lua error is thrown by Lua during a lua_call
, your application is pretty much hosed. So you need to make sure that lua_pcall
is used where possible.
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