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waternumbers / dynatop

Dynamic TOPMODEL
https://waternumbers.github.io/dynatop/
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Check building with no suggested packages #50

Open waternumbers opened 2 years ago

waternumbers commented 2 years ago

Ensure package elegantly handles building without suggested packages. Snippet below from R-package-devel mailin list for use with knitr

if (!requireNamespace("sug1") ||
        !requireNamespace("sug2")) {
      warning(call. = FALSE, "This vignette requires sug1 and sug2 to be
installed")
      knitr::knit_exit()
    }