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set_names with tripledot #316

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holgerbrandl opened this Issue Apr 27, 2017 · 1 comment

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holgerbrandl commented Apr 27, 2017

It would be great if set_names could support tripledots for the new names. Like

set_names <- function(df, ...){
    newnames <- as.character(unlist(list(...)))
    names(df) <- newnames;
    
    return(df)
}

This would allow even more streamlined coding without wrapping the names into another vector:

data %>% set_names("foo", "bar")

@hadley hadley closed this in 0607f9b May 3, 2017

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holgerbrandl commented May 17, 2017

Cool thanks. Btw this also helps outside of purrr to streamline dplyr pipes:

read_tsv("data.txt", col_names=F) %>% 
   select(4,5) %>% 
   set_names("foo", "bar") 
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