I have not studied compilers, but this is what I think is the difference:
arr[i++]
i
++
arr
Value of i cannot be used directly because it has been mutated, so a clone with previous value is required.
arr[++i]
Value of i can be used directly.
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I have not studied compilers, but this is what I think is the difference:
arr[i++]
i
++
which will incrementi
i
to accessarr
, so it makes a temporary clone before incrementi
arr
with value of temporary cloneValue of
i
cannot be used directly because it has been mutated, so a clone with previous value is required.arr[++i]
++
which will incrementi
i
arr
with value ofi
Value of
i
can be used directly.