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History of Idiom 165 > diff from v36 to v37

Edit summary for version 37 by programming-idioms.org:
[Go] Panics if the list is empty.
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Version 36

2019-09-06, 11:18:09

Version 37

2019-09-08, 14:57:53

Idiom #165 Last element of list

Assign to variable x the last element of list items.

Idiom #165 Last element of list

Assign to variable x the last element of list items.

Code 
x := items[len(items)-1]
Code 
x := items[len(items)-1]
Comments bubble
items is a slice.
There is no shortcut, use len!
Comments bubble
items is a slice.
There is no shortcut, use len!
Panics if the list is empty.
Demo URL
https://play.golang.org/p/mSKsU1bXNA
Demo URL
https://play.golang.org/p/mSKsU1bXNA