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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /third_party/rust/regex/examples/shootout-regex-dna-replace.rs
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--third_party/rust/regex/examples/shootout-regex-dna-replace.rs19
1 files changed, 19 insertions, 0 deletions
diff --git a/third_party/rust/regex/examples/shootout-regex-dna-replace.rs b/third_party/rust/regex/examples/shootout-regex-dna-replace.rs
new file mode 100644
index 0000000000..681e077ba3
--- /dev/null
+++ b/third_party/rust/regex/examples/shootout-regex-dna-replace.rs
@@ -0,0 +1,19 @@
+extern crate regex;
+
+use std::io::{self, Read};
+
+macro_rules! regex {
+ ($re:expr) => {{
+ use regex::internal::ExecBuilder;
+ ExecBuilder::new($re).build().unwrap().into_regex()
+ }};
+}
+
+fn main() {
+ let mut seq = String::with_capacity(50 * (1 << 20));
+ io::stdin().read_to_string(&mut seq).unwrap();
+ let ilen = seq.len();
+
+ seq = regex!(">[^\n]*\n|\n").replace_all(&seq, "").into_owned();
+ println!("original: {}, replaced: {}", ilen, seq.len());
+}