Raymond Chen's take on so-called zero cost exceptions

[Guillaume Piolat]

On Monday, 28 February 2022 at 20:33:17 UTC, Walter Bright wrote:
> "The presence of exceptions means that the code generation is 
> subject to constraints that don’t show up explicitly in the 
> code generation
In my C++ years, exceptions in combination with RAII were the 
best barrier of defense against leaks and bugs in error paths. 
Also they would allow C++ constructors to fail, and error codes 
didn't. Worse, with error codes, people routinely conflated 
runtime errors and unrecoverable errors. Performance is imo a 
false concern here since 1. either code that should be fast is 
devoid of eror handling in the first place 2. correctness of 
whole codebases is at stake 3. you can always make a correct 
program faster, but there will be noone to realize the incorrect 
program is incorrect.