Initial commit.

.emacs.d/elpa/ess-20160208.453/etc/completion_ideas.R

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+
+## inspired by:
+## https://github.com/rstudio/rstudio/pull/191
+
+## nested calls should work
+df[a][, |]
+
+## matrix, list, environments
+l <- list(aaaa = 1111, bbbb = 2222)
+l[a|] ## -> "aaaa" (quoted!)
+
+## data table
+dt <- data.table(aaaa = 1111, bbbb = 22222)
+dt[, a|] # -> aaaa (unquoted!)
+
+## attributes
+x <- ""
+attr(x, "foo") <- function(alpha, beta) {}
+attr(x, "foo")(al| # -> "alpha"
+
+## chains
+mtcars %>% dplyr::select(mp| #-> mpg (unquoted))
+
+## models
+lm(mpg ~ cy| , data = mtcars) #-> cyl
+
+## "by" keyword in data.table, inner_join,  etc
+inner_join(foo, bar, by = c(| # provides completions for variables in foo when
+                              # on the left side of an =, and bar when on the
+                              # right side of an =.