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Missing search.to_lowercase() in grep_case_insensitive

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Michael Delaney 2017-02-01 02:10:51 -08:00 committed by GitHub
parent 96acaab7c6
commit 283ec875aa
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src/ch13-03-improving-our-io-project.md
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@ -168,6 +168,8 @@ number when we sent you chapter 12, we will fix it. /Carol -->
```rust
fn grep_case_insensitive<'a>(search: &str, contents: &'a str) -> Vec<&'a str> {
let search = search.to_lowercase();
contents.lines()
.filter(|line| {
line.to_lowercase().contains(&search)