Alexandru Moșoi wrote: >> From: "Cesare Di Mauro" <cesare.dimauro at a-tono.com> >> So if Python will generate >> >> LOAD_CONST 1 >> LOAD_CONST 2 >> BINARY_ADD >> >> the constant folding code will simply replace them with a single >> >> LOAD_CONST 3 >> >> When working with such kind of optimizations, the temptation is to >> apply them at any situation possible. For example, in other languages >> this >> >> a = b * 2 * 3 >> >> will be replaced by >> >> a = b * 6 >> >> In Python I can't do that, because b can be an object which overloaded >> the * operator, so it *must* be called two times, one for 2 and one for 3. > > Not necessarily. For example C/C++ doesn't define the order of the > operations inside an expression (and AFAIK neither Python) Yes is does. Expression/Evaluation order "Python evaluates expressions from left to right."
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4