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A comment on A new version of Common-Lisp.net has been launched. Parent comment

Re:A new version of Common-Lisp.net has been launched by eslaught on Thursday October 11, 2018 @01:19PM (#18195292)
> SBCL OTOH treats type declarations as type assertions which can be checked at compile time.

Wait, is that really not the standard behavior?

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Re:A new version of Common-Lisp.net has been launched by lispm on Thursday October 11, 2018 @01:32PM (#18195417)
CMUCL invented that in the mid/end 80s. CMUCL forks like SBCL and Scieneer CL got it there. The other compilers don't do that.
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