tangent/lume
1
0
Fork 0
mirror of https://github.com/TangentFoxy/lume.git synced 2024-11-19 07:04:24 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fixed behaviour for negative i argument on lume.slice()

Browse Source 
A negative value for the `i` argument of lume.slice() is now handled
properly (used as an index from the end of the string) to mimicing the
behaviour of lua's string.sub()
This commit is contained in:
rxi 2014-03-13 21:26:36 +00:00
parent cbafc49e8a
commit 151b57adc6
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lume.lua
View File

@ -176,8 +176,9 @@ end
function lume.slice(t, i, j) function lume.slice(t, i, j)
i = i or 1 local function index(x) return x < 0 and (#t + x + 1) or x end
j = j and (j < 0 and (#t + j + 1) or j) or #t i = i and index(i) or 1
j = j and index(j) or #t
local rtn = {} local rtn = {}
for i = math.max(i, 1), math.min(j, #t) do for i = math.max(i, 1), math.min(j, #t) do
rtn[#rtn + 1] = t[i] rtn[#rtn + 1] = t[i]