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fix: update iterator and macro text for typos and clarity

- /macros/README.md: Typo "modules" => "macros"
- iterators2.py: Reduce line length to <90-char width.
- iterators4.py: Update 'fun' => 'challenge' as per PR#177
- rustlings hint iterators4: improve clarity
This commit is contained in:
Dan Wilhelm
2020-04-29 19:11:54 -07:00
parent 32721bbc83
commit 9590082848
4 changed files with 14 additions and 12 deletions

View File

@@ -2,7 +2,7 @@
Rust's macro system is very powerful, but also kind of difficult to wrap your
head around. We're not going to teach you how to write your own fully-featured
modules, instead we'll show you how to use and create them.
macros. Instead, we'll show you how to use and create them.
#### Book Sections