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In some computing subcultures, the term "grapes" refers to the percent sign, which R uses to name binary operators such as%*%. Here,grapes is an R package that turns arbitrary functions into binary operators. As with themagrittr pipe, this allows you to avoid cumbersome parentheses in your code.

library(grapes)grow(rbind, c, from = "base") # Use `from` to specify a package or environment to search.bunch() # see the operators (grapes you have grown)nrow(sleep) # 20longer = sleep %rbind% sleep %rbind% sleep # No clumsy parentheses!nrow(longer) # 60. Most of us would like to sleep longer.1 %rbind% 2 %c% 3

To install the development version, get thedevtools package and run

devtools::install_github("wlandau/grapes", build = TRUE)

If you specify a tag, you can install a GitHub release.

devtools::install_github("wlandau/grapes@v1.0.0",build=TRUE)

Theonline package vignette has a complete tutorial. You can load the compiled version from an R session.

vignette("grapes")

Please read theissue tracker first, taking care to browse both open and closed issues. Afterwards, if you still feel the need,submit a new issue to log a bug report or feature request.