Straightforward Lua Set library for Luvit
npm install luvit-set#luvit-set
Straightforward Lua Set library for Luvit
##Install
- Download and install Node.js. Then you have npm
- In the root of your Luvit project, npm install luvit-set
##Usage
Start off with
``lua`
local Set = require("luvit-set")`
Then, to create a set (of things you like):lua`
local ilike = Set:new()`
to add items to a set:lua`
ilike:add("apples")
ilike:add("bananas")`
or, initialise with values on creation:lua`
local ilike = Set:new({"apples", "bananas"})`
Let's create another set:lua`
local ulike = Set:new({"apples", "strawberries"})`
Then we can:lua`
local welike = ilike + ulike -- union: apples, bananas, strawberries
local webothlike = ilike * ulike -- intersection: apples
local udontlike = ilike - ulike -- subtraction: bananas`
Lastly, some conveniences:lua`
local somethingilike = ilike:anelement()
ilike:len() -- 2
for k, _ in pairs(ilike) do
print(k)
end
print(ilike) -- '{"apples", "bananas"}'
local list = ilike:tolist() -- {"apples", "bananas"}
##Tests
npm test luvit-set
##License
LGPL+; see the LICENSE` file