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[MIRROR] Adds a note about for loop speed (#5267)

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* Merge pull request #35154 from Iamgoofball/patch-387

Adds a note about for loop speed

* Adds a note about for loop speed
This commit is contained in:
CitadelStationBot
2018-02-04 23:01:44 -06:00
committed by Poojawa
parent b0b0c516ab
commit 8a3fed5509
1 changed files with 6 additions and 0 deletions
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.github/CONTRIBUTING.md vendored
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@@ -306,6 +306,12 @@ Like all languages, Dream Maker has its quirks, some of them are beneficial to u
HOWEVER, if either ```some_value``` or ```i``` changes within the body of the for (underneath the ```for(...)``` header) or if you are looping over a list AND changing the length of the list then you can NOT use this type of for-loop!
### for(var/A in list) VS for(var/i in 1 to list.len)
The former is faster than the latter, as shown by the following profile results:
https://file.house/zy7H.png
Code used for the test in a readable format:
https://pastebin.com/w50uERkG
#### Istypeless for loops
A name for a differing syntax for writing for-each style loops in DM. It's NOT DM's standard syntax, hence why this is considered a quirk. Take a look at this: