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Q7

Q7 is a type system that enables a postmodern flavor of compositional object-oriented programming (OOP). It is simple, flexible and promotes healthy program design.

Q7 features:

• type(), feature() and implement() to compose objects;
• For each object, initialize() and finalize() to run at its beginning and end of life;
• For each object, public, private, final, private_final and active binding modifiers to change the visibility and behavior of its members.

Installation

# install.packages("devtools")
devtools::install_github("iqis/Q7")

require(Q7)
#> Loading required package: Q7
#> Loading required package: magrittr
#> 
#> Attaching package: 'Q7'
#> The following object is masked from 'package:base':
#> 
#>     merge

Example

Make a Q7 object in 3 easy steps.

1, Define an object type:

Adder <- type(function(num1, num2){
    add_nums <- function(){
        num1 + num2
    }
 })

2, Instantiate the object:

myAdder <- Adder(1, 2)

3, Enjoy!

myAdder$add_nums()
#> [1] 3

See vignettes for extending an object and other topics.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.