Type detection: Difference between revisions
→{{header|Perl}}
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'true' is some other type
</pre>
=={{header|Lua}}==
<lang lua>function writeValue(v)
local t = type(v)
if t == "number" then
io.write(v)
elseif t == "string" then
io.write("`" .. v .. "`")
elseif t == "table" then
local c = 0
io.write("{")
for k,v in pairs(v) do
if c > 0 then
io.write(", ")
end
writeValue(k)
io.write(" => ")
writeValue(v)
c = c + 1
end
io.write("}")
elseif t == "function" then
io.write("`" .. tostring(v) .. "`")
else
io.write("Unhandled type: " .. t)
end
end
function printType(v)
io.write("The value ")
writeValue(v)
print(" is of type " .. type(v))
end
function main()
printType(42)
printType(3.14)
printType("hello world")
printType({1, 2, 3, 4, 5})
printType(main)
end
main()</lang>
{{out}}
<pre>The value 42 is of type number
The value 3.14 is of type number
The value `hello world` is of type string
The value {1 => 1, 2 => 2, 3 => 3, 4 => 4, 5 => 5} is of type table
The value `function: 00C6C4A8` is of type function</pre>
=={{header|Perl}}==
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