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authorAdam Carpenter <53hornet@gmail.com>2019-03-27 15:32:37 -0400
committerAdam Carpenter <53hornet@gmail.com>2019-03-27 15:32:37 -0400
commit67cdcc2e12118becb823e20a40cc2687f2b8425a (patch)
treeed92c3234b89079e6d4cf36f5e80c5ffa79def48 /meap/meap-code/ch1/ch1-escape-html.rs
parente25482fca375d318a39c3b54db396b0db6e0b263 (diff)
downloadlearning-rust-67cdcc2e12118becb823e20a40cc2687f2b8425a.tar.xz
learning-rust-67cdcc2e12118becb823e20a40cc2687f2b8425a.zip
Started Rust in Action MEAP.
Diffstat (limited to 'meap/meap-code/ch1/ch1-escape-html.rs')
-rw-r--r--meap/meap-code/ch1/ch1-escape-html.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/meap/meap-code/ch1/ch1-escape-html.rs b/meap/meap-code/ch1/ch1-escape-html.rs
new file mode 100644
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+++ b/meap/meap-code/ch1/ch1-escape-html.rs
@@ -0,0 +1,22 @@
+fn escape_html(maybe_html: &str) -> String {
+ let mut out = String::with_capacity(maybe_html.len());
+
+ for c in maybe_html.chars() {
+ match c {
+ '<' => out.push_str("&lt;"),
+ '>' => out.push_str("&gt;"),
+ '&' => out.push_str("&amp;"),
+ '\'' => out.push_str("&apos;"),
+ '"' => out.push_str("&quot;"),
+ _ => out.push(c),
+ };
+ }
+
+ out
+}
+
+fn main() {
+ let html = "<p>\"Hello, World!\"</p>";
+ let escaped_html = escape_html(html);
+ println!("{}", escaped_html);
+}