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History of Idiom 169 > diff from v40 to v41

Edit summary for version 41 by programming-idioms.org:
Admin deletes impl 2298
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Version 40

2018-04-23, 23:13:28

Version 41

2018-04-23, 23:14:10

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.

Illustration

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.

Illustration
Extra Keywords
size
Extra Keywords
size
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