Difference between revisions of "Module:TableTools"
add type checking
>Mr. Stradivarius (add a size function) |
>Mr. Stradivarius (add type checking) |
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------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ | ||
--]] | --]] | ||
local libraryUtil = require('libraryUtil') | |||
local p = {} | local p = {} | ||
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local floor = math.floor | local floor = math.floor | ||
local infinity = math.huge | local infinity = math.huge | ||
local checkType = libraryUtil.checkType | |||
-- Define a unique value to represent NaN. This is because NaN cannot be used as a table key. | -- Define a unique value to represent NaN. This is because NaN cannot be used as a table key. | ||
| Line 49: | Line 52: | ||
for i = 1, select('#', ...) do | for i = 1, select('#', ...) do | ||
local t = select(i, ...) | local t = select(i, ...) | ||
checkType('union', i, t, 'table') | |||
for k, v in pairs(t) do | for k, v in pairs(t) do | ||
local retKey = ret[k] | local retKey = ret[k] | ||
| Line 90: | Line 94: | ||
for i = 1, select('#', ...) do | for i = 1, select('#', ...) do | ||
local t = select(i, ...) | local t = select(i, ...) | ||
checkType('valueUnion', i, t, 'table') | |||
for k, v in pairs(t) do | for k, v in pairs(t) do | ||
if type(v) == 'number' and tostring(v) == '-nan' then | if type(v) == 'number' and tostring(v) == '-nan' then | ||
| Line 121: | Line 126: | ||
for i = 1, lim do | for i = 1, lim do | ||
local t = select(i, ...) | local t = select(i, ...) | ||
checkType('intersection', i, t, 'table') | |||
for k, v in pairs(t) do | for k, v in pairs(t) do | ||
local trackVal = track[k] | local trackVal = track[k] | ||
| Line 153: | Line 159: | ||
for i = 1, lim do | for i = 1, lim do | ||
local t = select(i, ...) | local t = select(i, ...) | ||
checkType('valueIntersection', i, t, 'table') | |||
for k, v in pairs(t) do | for k, v in pairs(t) do | ||
if type(v) == 'number' and tostring(v) == '-nan' then | if type(v) == 'number' and tostring(v) == '-nan' then | ||
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--]] | --]] | ||
function p.numKeys(t) | function p.numKeys(t) | ||
checkType('numKeys', 1, t, 'table') | |||
local isPositiveInteger = p.isPositiveInteger | local isPositiveInteger = p.isPositiveInteger | ||
local nums = {} | local nums = {} | ||
| Line 205: | Line 213: | ||
--]] | --]] | ||
function p.affixNums(t, prefix, suffix) | function p.affixNums(t, prefix, suffix) | ||
checkType('affixNums', 1, t, 'table') | |||
prefix = prefix or '' | prefix = prefix or '' | ||
suffix = suffix or '' | suffix = suffix or '' | ||
| Line 231: | Line 240: | ||
--]] | --]] | ||
function p.compressSparseArray(t) | function p.compressSparseArray(t) | ||
checkType('compressSparseArray', 1, t, 'table') | |||
local ret = {} | local ret = {} | ||
local nums = p.numKeys(t) | local nums = p.numKeys(t) | ||
| Line 248: | Line 258: | ||
--]] | --]] | ||
function p.sparseIpairs(t) | function p.sparseIpairs(t) | ||
checkType('sparseIpairs', 1, t, 'table') | |||
local nums = p.numKeys(t) | local nums = p.numKeys(t) | ||
local i = 0 | local i = 0 | ||
| Line 269: | Line 280: | ||
--]] | --]] | ||
function p.size(t) | function p.size(t) | ||
checkType('size', 1, t, 'table') | |||
local i = 0 | local i = 0 | ||
for k in pairs(t) do | for k in pairs(t) do | ||