OCL - Programming language

OCL is a programming language created in 1997.

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The Object Constraint Language (OCL) is a declarative language describing rules applying to Unified Modeling Language (UML) models developed at IBM and is now part of the UML standard. Initially, OCL was merely a formal specification language extension for UML. OCL may now be used with any Meta-Object Facility (MOF) Object Management Group (OMG) meta-model, including UML. Read more on Wikipedia...

Tags: programming language
Early development of OCL happened in IBM
Read more about OCL on the web: 1. 2.

Example from the web:

context Person inv: self.age >=0
context Person inv: self.age<18 implies self.cars->isEmpty()

Language features

Feature	Supported	Example	Token
Comments	✓	-- A comment
Line Comments	✓	-- A comment	--
Semantic Indentation	X