# Rust Brain Teasers:

**URL:** <https://forum.devtalk.com/t/rust-brain-teasers/23349>\
**Category:** PragProg Customers\
**Tags:** book-rust-brain-teasers, errata\
**Created:** [30 September 2021 12:59 UTC](https://forum.devtalk.com/t/rust-brain-teasers/23349 "2021-09-30T12:59:24Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ekzeb](https://forum.devtalk.com/user_avatar/forum.devtalk.com/ekzeb/32/3436_2.png) [@ekzeb](https://forum.devtalk.com/u/ekzeb)\
**Post date:** [30 September 2021 12:59 UTC](https://forum.devtalk.com/t/rust-brain-teasers/23349/1 "2021-09-30T12:59:24Z")

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pdf beta 1.0  
title: How long is String  
p. 21  
“Rust correctly deduces that there are a total of 10 **gylphs** ” \<\< glyphs

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**Author:** ![herbert](https://forum.devtalk.com/user_avatar/forum.devtalk.com/herbert/32/1233_2.png) [@herbert](https://forum.devtalk.com/u/herbert)\
**Post date:** [30 September 2021 13:01 UTC](https://forum.devtalk.com/t/rust-brain-teasers/23349/2 "2021-09-30T13:01:14Z")

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Thank you! I’ve just submitted a fix ready for beta 2. “Glyph” is one of those words that never seems to make it intact between my brain and my keyboard. I did a quick search and _think_ I’ve caught them all now.