Regardless of which of these two syntaxes you use, the code does the same thing: defines a variable called FirstName and stores a function in that variable. Because I'm doing this in TypeScript, I'm ...
DEBUG writes the values of all Annotate variables to the SAS log before and after the next observation. DRAW draws a line in the graphics output. DRAW2TXT draws a line from (XLAST, YLAST) to (XLSTT, ...
This section describes all of the values of the FUNCTION variable. For each function it describes the function's action. notes whether the function updates the internal coordinate variables XLAST, ...