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History of Idiom 169 > diff from v37 to v38

Edit summary for version 38 by programming-idioms.org:
[Rust] Wrong
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Version 37

2018-04-18, 13:09:52

Version 38

2018-04-23, 18:25:07

Idiom #169 String length

Assign to integer n the number of characters of string s.

This can be different from the number of bytes of s.

Idiom #169 String length

Assign to integer n the number of characters of string s.

This can be different from the number of bytes of s.

Extra Keywords
size
Extra Keywords
size
Code 
let n = s.len();
Code 
let n = s.len();
Comments bubble
This gives the number of bytes of s, which is not what we're looking for.
Demo URL
https://play.rust-lang.org/?gist=452805d5f915fbed6ba3a86b60f6c4d4&version=stable
Demo URL
https://play.rust-lang.org/?gist=452805d5f915fbed6ba3a86b60f6c4d4&version=stable