Add a few more operators

Author: coatless

README.Rmd

@@ -10,7 +10,11 @@ knitr::opts_chunk$set(
 )
 ```
 
-[![Travis-CI Build Status](https://travis-ci.org/coatless/rops.svg?branch=master)](https://travis-ci.org/coatless/rops)[![CRAN_Status_Badge](http://www.r-pkg.org/badges/version/rop)](https://cran.r-project.org/package=rops)
+[![Project Status: Active - The project has reached a stable, usable state and is being actively developed.](http://www.repostatus.org/badges/latest/active.svg)](http://www.repostatus.org/#active)
+[![Travis-CI Build Status](https://travis-ci.org/coatless/rops.svg?branch=master)](https://travis-ci.org/coatless/rops)
+[![CRAN_Status_Badge](http://www.r-pkg.org/badges/version/rop)](https://cran.r-project.org/package=rops)
+[![CRAN RStudio mirror downloads](http://cranlogs.r-pkg.org/badges/rops)](http://www.r-pkg.org/pkg/rops)
+[![Coverage Status](https://img.shields.io/codecov/c/github/coatless/rops/master.svg)](https://codecov.io/github/coatless/rops?branch=master)
 
 # R Ops (`rops`)
 
@@ -24,9 +28,9 @@ Presently, the package has support for the following operators:
 
 - [Null coalescing operator](https://en.wikipedia.org/wiki/Null_coalescing_operator): `%??%`
      - Operator to allow checking and substitution if a value is null without `if`/`else` structure 
-     
-- [Missing value (`NA`) coalescing operator](): `ifna(x,y)`
+- Missing value (`NA`) coalescing operator: `ifna(x, y)`
      - Substitute value when NA is detected.
-
 - [Is Whole Number](https://en.wikipedia.org/wiki/Integer): `is_whole(x)`
      - Vectorized boolean operator to assess whether value is an integer.
+- Safe Sequence Generation: `from %:% to`, `safe_seq(from, to, by)`
+- Not In Set: `%notin%`

README.md

@@ -1,17 +1,34 @@
 
-[![Travis-CI Build Status](https://travis-ci.org/coatless/rops.svg?branch=master)](https://travis-ci.org/coatless/rops)[![CRAN\_Status\_Badge](http://www.r-pkg.org/badges/version/rop)](https://cran.r-project.org/package=rops)
+[![Project Status: Active - The project has reached a stable, usable
+state and is being actively
+developed.](http://www.repostatus.org/badges/latest/active.svg)](http://www.repostatus.org/#active)
+[![Travis-CI Build
+Status](https://travis-ci.org/coatless/rops.svg?branch=master)](https://travis-ci.org/coatless/rops)
+[![CRAN\_Status\_Badge](http://www.r-pkg.org/badges/version/rop)](https://cran.r-project.org/package=rops)
+[![CRAN RStudio mirror
+downloads](http://cranlogs.r-pkg.org/badges/rops)](http://www.r-pkg.org/pkg/rops)
+[![Coverage
+Status](https://img.shields.io/codecov/c/github/coatless/rops/master.svg)](https://codecov.io/github/coatless/rops?branch=master)
 
-R Ops (`rops`)
-==============
+# R Ops (`rops`)
 
-The objective behind this package is to provide an extension to base *R* that supplements present operators manipulations.
+The objective behind this package is to provide an extension to base *R*
+that supplements present operators manipulations.
 
-Supported Functionality
-=======================
+# Supported Functionality
 
 Presently, the package has support for the following operators:
 
--   [Null coalescing operator](https://en.wikipedia.org/wiki/Null_coalescing_operator): `%??%`, `ifnull(x,y)`
-    -   Operator to allow checking and substitution if a value is null without `if`/`else` structure
--   [Is Whole Number](https://en.wikipedia.org/wiki/Integer): `is_whole(x)`
-    -   Vectorized boolean operator to assess whether value is an integer.
+  - [Null coalescing
+    operator](https://en.wikipedia.org/wiki/Null_coalescing_operator):
+    `%??%`
+      - Operator to allow checking and substitution if a value is null
+        without `if`/`else` structure
+  - Missing value (`NA`) coalescing operator: `ifna(x, y)`
+      - Substitute value when NA is detected.
+  - [Is Whole Number](https://en.wikipedia.org/wiki/Integer):
+    `is_whole(x)`
+      - Vectorized boolean operator to assess whether value is an
+        integer.
+  - Safe Sequence Generation: `from %:% to`, `safe_seq(from, to, by)`
+  - Not In Set: `%notin%`