Data commit

Task/Function-definition/XPL0/function-definition.xpl0

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+func Multiply(A, B);    \the characters in parentheses are only a comment
+int  A, B;              \the arguments are actually declared here, as integers
+return A*B;            \the default (undeclared) function type is integer
+                        \no need to enclose a single statement in brackets
+
+func real FloatMul(A, B); \floating point version
+real A, B;              \arguments are declared here as floating point (doubles)
+return A*B;