Optional
Access the index of an expression, e.g. index in someArray[index].
index
someArray[index]
May be undefined if used with abi.decode(), for example abi.decode(data, uint[]);.
undefined
abi.decode()
abi.decode(data, uint[]);
Access the index of an expression, e.g.
indexinsomeArray[index].May be
undefinedif used withabi.decode(), for exampleabi.decode(data, uint[]);.