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Module:FunList: Difference between revisions
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-- Private functions. | -- Private functions. | ||
local function getElementAtIndex(index) | local function getElementAtIndex(tbl, index) | ||
assert(tonumber(index)) | assert(tonumber(index)) | ||
local ix = tonumber(index) | local ix = tonumber(index) | ||
local i = 0 | local i = 0 | ||
if ix >= 0 then | if ix >= 0 then | ||
for _, v in pairs( | for _, v in pairs(tbl) do | ||
i = i + 1 | i = i + 1 | ||
if i == ix then | if i == ix then | ||
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-- Returns the element at a specified index in a sequence. | -- Returns the element at a specified index in a sequence. | ||
function funlist:itemAt(index) | function funlist:itemAt(index) | ||
local found, item = getElementAtIndex(index) | local found, item = getElementAtIndex(self.mytable, index) | ||
if found == true then | if found == true then | ||
return item | return item | ||
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-- Returns the element at a specified index in a sequence or a default value if the index is out of range. | -- Returns the element at a specified index in a sequence or a default value if the index is out of range. | ||
function funlist:itemAtOrDefault(index, defaultItem) | function funlist:itemAtOrDefault(index, defaultItem) | ||
local found, item = getElementAtIndex(index) | local found, item = getElementAtIndex(self.mytable, index) | ||
if found == true then | if found == true then | ||
return item | return item | ||