Nothing
## ----results='asis', echo=FALSE------------------------------------------
cat(gsub("\\n ", "", packageDescription("templates", fields = "Description")))
## ----eval = FALSE--------------------------------------------------------
# devtools::install_github("wahani/templates")
## ----eval = FALSE--------------------------------------------------------
# install.packages("templates")
## ------------------------------------------------------------------------
library("templates")
library("magrittr")
sqlTemplate <- tmpl(
~ `SELECT *
FROM someTable
WHERE something IN {{ collapseInParan(ids) }};`
)
collapseInParan <- function(x) {
# just a helper function
paste("(", paste(x, collapse = ", "), ")")
}
tmplUpdate(
sqlTemplate,
ids = 1:10
)
## ------------------------------------------------------------------------
tFun <- function() {
s <- "great idea!!!"
cat({{ toupper(begin) }}, s, "\n")
invisible(NULL)
}
tmpl(tFun, begin ~ "This is a")
## ------------------------------------------------------------------------
tExpr <- tmpl( ~ {
cat({{ toupper(begin) }}, "\n")
})
tmpl(tExpr, begin ~ "hi")
tmplAsFun(tExpr, begin ~ "hi")()
tmplEval(tExpr, begin ~ "hi")
## ------------------------------------------------------------------------
tChar <- tmpl('{
cat({{ toupper(begin) }}, "\n")
}')
tChar %>%
tmpl(begin ~ "hi") %>%
tmplEval
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