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This section deals with the following specifications

  • Specification of generic functions applicable in the Simantics framework
  • Specification of functions attached to types (methods)
  • Specification of functions with side-effects (operations or commands)
  • Automatically generated code based on semantic model about functions (stubs)


  • Functions are objects implementing the interface org.simantics.scl.runtime.function.Function.
  • We have a type Value (?) that can be adapted to an SCL value (in particular to a function).
  • We have a relation HasType (?) Value -> String that specifies the SCL type of the value
  • Operations are functions that return an object implemeting WriteResult.