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diff rust/hg-core/src/utils.rs @ 46091:9eb07ab3f2d4

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rhg: use persistent nodemap when available ? for node ID ? revision number lookups, instead on linear scan in a revlog. Differential Revision: https://phab.mercurial-scm.org/D9520
author Simon Sapin <simon-commits@exyr.org>
date Fri, 04 Dec 2020 17:27:10 +0100
parents 26114bd6ec60
children ca3f73cc3cf4
line wrap: on
line diff
--- a/rust/hg-core/src/utils.rs	Mon Dec 07 18:06:53 2020 +0100
+++ b/rust/hg-core/src/utils.rs	Fri Dec 04 17:27:10 2020 +0100
@@ -167,3 +167,12 @@
         self.as_bytes().escaped_bytes()
     }
 }
+
+// TODO: use the str method when we require Rust 1.45
+pub(crate) fn strip_suffix<'a>(s: &'a str, suffix: &str) -> Option<&'a str> {
+    if s.ends_with(suffix) {
+        Some(&s[..s.len() - suffix.len()])
+    } else {
+        None
+    }
+}