From 8a3fed55091560ac1b74afe57a79b5a1318dfdee Mon Sep 17 00:00:00 2001 From: CitadelStationBot Date: Sun, 4 Feb 2018 23:01:44 -0600 Subject: [PATCH] [MIRROR] Adds a note about for loop speed (#5267) * Merge pull request #35154 from Iamgoofball/patch-387 Adds a note about for loop speed * Adds a note about for loop speed --- .github/CONTRIBUTING.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md index 1948902e02..9524960b8e 100644 --- a/.github/CONTRIBUTING.md +++ b/.github/CONTRIBUTING.md @@ -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: