list of masked functions in R

in R base:

 conflicts(detail=TRUE)

And to find the list of environments that contain a version of

getAnywhere(x = "functionA")

Note: getAnywhere also finds the functions which are not exported. and that are hence not creating conflicts.

A better (simpler) result could be obtained using:

x = "functionA"names(which(sapply(search(), FUN = function(env) exists(x, env, inherits = FALSE, mode = "function"))))

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