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Update functional.lua

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Jeremy S. Postelnek 2022-01-24 16:27:49 -05:00 committed by GitHub
parent 120c9658fc
commit a9b699afdd
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1 changed files with 4 additions and 8 deletions
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functional.lua
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@ -64,17 +64,13 @@ function functional.map(t, f)
end end
-- map a sequence (see functional.map) -- map a sequence (see functional.map)
-- when the function returns an index, map it there -- the function must return an index and value to map appropriately
function functional.map_index(t, f) function functional.splat(t, f)
local result = {} local result = {}
for i = 1, #t do for i = 1, #t do
local v, pos = f(t[i], i) local v, pos = f(t[i], i)
if v ~= nil then if v ~= nil and pos ~= nil then
if not pos then result[pos] = v
table.insert(result, v)
else
result[pos] = v
end
end end
end end
return result return result