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m Protected "Module:Pn": High-risk template or module: 259 transclusions (more info) ([Edit=Require autoconfirmed or confirmed access] (indefinite)) |
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Latest revision as of 12:20, 28 July 2024
The module returns one value from its list of unnamed parameters.
The named parameter |idx=
is the index of the parameter that is to be returned.
Negative indices count backward from the end of the list.
A wrapper template may be used to simplify usage.
For accessing both named and unnamed parameters, see Template:Mfl.
Examples
{{#invoke:Pn |getVal | idx=1}}
→{{#invoke:Pn |getVal | idx= | a | b | c | d | e | f }}
→ a{{#invoke:Pn |getVal | idx=0 | a | b | c | d | e | f }}
→{{#invoke:Pn |getVal | idx=1 | a | b | c | d | e | f }}
→ a{{#invoke:Pn |getVal | idx=2 | a | b | c | d | e | f }}
→ b{{#invoke:Pn |getVal | idx=-1 | a | b | c | d | e | f }}
→ f{{#invoke:Pn |getVal | idx=99 | a | b | c | d | e | f }}
→
Using a wrapper template, {{P-1}}:
{{p-1 | a | b | c | d | e | f }}
→ f{{wdib|ps=1|P8011|qid=Q84055514}}
→ Template:Wdib{{wdib|ps=1|P8011|qid=Q84055514|list=p-1}}
→ Template:Wdib
See also
--[[
Module that returns one value from a list of unnamed parameters
Named parameter idx is the index of the parameter that is to be returned
Negative indices count backward from the end of the list
==]]
local p = {}
p.getVal = function(frame)
local args = {}
-- copy arguments from frame object and its parent
for k, v in pairs(frame.args) do
args[k] = v
end
for k, v in pairs(frame:getParent().args) do
args[k] = v
end
if not args[1] then
return nil
end
local idx = tonumber(args.idx) or 1
if idx < 0 then idx = #args + idx + 1 end
return args[idx]
end
return p