wrapping: wrapping tag for pre/post procession and composition

In moodymudskipper/tags: A collection of tags built using the package 'tag'

Description

wrapping tag for pre/post procession and composition

Usage

wrapping(.before = NULL, .after = NULL, .around = identity)

Arguments

.before	an expression to run before the call
.after	an expression to run after the call, can use . as the result of the call
.around	a function, or formula, to apply around the call before evaluation, such as capture.output or SuppressWarnings

Examples

wrapping(.before = print("hello"),
          .after = print(paste("result was:", .)),
          .around = suppressWarnings)$sqrt(-1)

moodymudskipper/tags documentation built on June 25, 2019, 10:54 a.m.