Editing Mesa (programming language) (section)

==Cedar==
Mesa was the precursor to the programming language Cedar.<ref name="cedar1">{{cite book |url = http://research.microsoft.com/lampson/32a-CedarLang/32a-CedarLangAbstract.htm |title=A Description of the Cedar Language |first=Butler W. |last=Lampson |publisher=Xerox PARC Technical Report | issue = CSL-83-15}}</ref><ref name="cedar2">{{cite journal |doi=10.1145/800225.806844 |title=The Structure of Cedar |first1=Daniel C. |last1=Swinehart |first2=Polle T. |last2=Zellweger |first3=Robert B. |last3=Hagmann |journal=[[SIGPLAN Notices]] |volume=20 |issue=7 |pages=230–244 |date=July 1985 |citeseerx=10.1.1.110.9565 |s2cid=2788992 }}</ref> Cedar's main additions were [[garbage collection (computer science)|garbage collection]], [[type system|dynamic types]], better string support through [[Rope (data structure)|ropes]], a limited form of [[type polymorphism|type parameterization]], and special syntax for identifying the [[type-safe]] parts of multi-module software packages, to ensure deterministic execution and prevent [[memory leak]]s.