Description Usage Arguments Value
This just echos the input expression. It is here for testing out the taskCallback code
1 | echoExpressionCallback(expr, value, status, visible, data)
|
expr |
s-language expression |
value |
result of the expression evaluation |
status |
logical indicating success or not |
visible |
was the output printed |
data |
data object that is accessible to the callback ( passed in from addTaskCallback) |
I guess this indicates if the callback succeeded?
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