There is no way to do that without iterating.
If you find yourself needing to do this frequently, consider building an inverse index:
local index={}
for k,v in pairs(values) do
index[v]=k
end
return index["a"]
There is no way to do that without iterating.
If you find yourself needing to do this frequently, consider building an inverse index:
local index={}
for k,v in pairs(values) do
index[v]=k
end
return index["a"]