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Progress updates generated by progressr are formally R conditions
of class progression that are signaled and handled by R's condition
framework. Sometimes these progression conditions are not signaled,
or transmitted, as expected. To troubleshoot such problems, we can use
the built-in "debug" handler. For example,
> library(progressr)
> handlers("debug")
> handlers(global = TRUE)
>
> y <- slow_sum(1:3)
[21:17:01.786] (0.000s => +0.015s) initiate: 0/3 (+0) '' {clear=TRUE, enabled=TRUE, status=}
[21:17:01.975] (0.189s => +0.179s) update: 0/3 (+0) '' {clear=TRUE, enabled=TRUE, status=}
[21:17:02.378] (0.593s => +0.002s) update: 0/3 (+0) '' {clear=TRUE, enabled=TRUE, status=}
[21:17:02.581] (0.796s => +0.002s) update: 1/3 (+1) 'P: Adding 1' {clear=TRUE, enabled=TRUE, status=}
M: Added value 1
[21:17:02.788] (1.002s => +0.004s) update: 1/3 (+0) 'P: Adding 1' {clear=TRUE, enabled=TRUE, status=}
[21:17:02.990] (1.205s => +0.001s) update: 1/3 (+0) 'P: Adding 1' {clear=TRUE, enabled=TRUE, status=}
[21:17:03.394] (1.608s => +0.002s) update: 1/3 (+0) 'P: Adding 1' {clear=TRUE, enabled=TRUE, status=}
[21:17:03.597] (1.812s => +0.002s) update: 2/3 (+1) 'P: Adding 2' {clear=TRUE, enabled=TRUE, status=}
M: Added value 2
[21:17:03.807] (2.021s => +0.007s) update: 2/3 (+0) 'P: Adding 2' {clear=TRUE, enabled=TRUE, status=}
[21:17:04.010] (2.224s => +0.001s) update: 2/3 (+0) 'P: Adding 2' {clear=TRUE, enabled=TRUE, status=}
[21:17:04.412] (2.627s => +0.001s) update: 2/3 (+0) 'P: Adding 2' {clear=TRUE, enabled=TRUE, status=}
[21:17:04.616] (2.830s => +0.002s) update: 3/3 (+1) 'P: Adding 3' {clear=TRUE, enabled=TRUE, status=}
[21:17:04.618] (2.832s => +0.004s) update: 3/3 (+0) 'P: Adding 3' {clear=TRUE, enabled=TRUE, status=}
M: Added value 3
>
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.