IDL Problem Code 22 with alias return-vals-missing-func

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Execution Error

This is a fatal error that prevents IDL from compiling or running code

This identifies return statements in functions dont have any arguments (i.e. things they return) when they should have one.

function myAwesomeFunc
  compile_opt idl2
  return
  ;     ^^^^ problem here
end

The correct way to use return within functions or functions methods is:

function myAwesomeFunc
  compile_opt idl2
  return, 42
  ;     ^^^^ correct syntax is to not return only one value
end