diff options
Diffstat (limited to 'utils.moon')
| -rw-r--r-- | utils.moon | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -51,13 +51,27 @@ utils = { start,stop,step = 1,start,1 elseif step == nil step = 1 + elseif step == 0 + error("Range step cannot be zero.") return setmetatable({:start,:stop,:step}, { __ipairs: => iter = (i)=> if i <= (@stop-@start)/@step return i+1, @start+i*@step return iter, @, 0 + __index: (i)=> + if type(i) != "Number" then return nil + if i % 1 != 0 then return nil + if i <= 0 or i-1 > (@stop-@start)/@step then return nil + return @start + (i-1)*@step + __len: => + len = (@stop-@start)/@step + if len < 0 then len = 0 + return len + }) + + nth_to_last: (list, n) -> list[#list-n+1] keys: (t)-> [k for k in pairs(t)] values: (t)-> [v for _,v in pairs(t)] |