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Switched accumulate() to return a table, not a string.

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This commit is contained in:
Bruce Hill 2018-02-01 16:40:06 -08:00
parent f1d4a568a3
commit 75c6755d32
1 changed files with 3 additions and 6 deletions
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7
utils.lua
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@ -127,15 +127,12 @@ local function remove_from_list(list, item)
for i=N-deleted+1,N do list[i] = nil end for i=N-deleted+1,N do list[i] = nil end
end end
local function accumulate(glue, co) local function accumulate(co)
if co == nil then
glue, co = "", glue
end
local bits = {} local bits = {}
for bit in coroutine.wrap(co) do for bit in coroutine.wrap(co) do
bits[#bits+1] = bit bits[#bits+1] = bit
end end
return table.concat(bits, glue) return bits
end end
local function nth_to_last(list, n) local function nth_to_last(list, n)