bearophile wrote:
Walter Bright:
Arbitrary, yes. Wrong? no - specifying it removes another source of
potential user bugs. Left-to-right is natural because that's the
way we read things.
If the language accepts only pure expressions inside function calls
then it keeps being safe, despite using the most efficient order the
compiler finds.
All compiler behavior is based on what the observer sees. If the
compiler can rearrange things in a manner that the observer cannot
detect, then the rearrangement is allowed.
