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authorVincent Ambo <mail@tazj.in>2022-08-10T15·00+0300
committertazjin <tazjin@tvl.su>2022-08-24T18·19+0000
commita2b4b4a48521d1751fa9c88cec980f0b4b59427d (patch)
treee2870f6db85d363acc42ce07cecca2dcd7792917 /tvix
parent6dc9ca5723ee46ade3ad3618ae780ec88ae884e2 (diff)
fix(tvix/value): implement PartialOrd/PartialEq for strings r/4458
Instead of comparing the enum variants (which does not yield useful
behaviour), compare &str representations of the string instead.

Change-Id: I5e94b5f6c91b4561e1bc7c36d586f3d23c243764
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6112
Tested-by: BuildkiteCI
Reviewed-by: eta <tvl@eta.st>
Diffstat (limited to 'tvix')
-rw-r--r--tvix/eval/src/value/string.rs14
1 files changed, 13 insertions, 1 deletions
diff --git a/tvix/eval/src/value/string.rs b/tvix/eval/src/value/string.rs
index 47661e03add4..1937a35870d3 100644
--- a/tvix/eval/src/value/string.rs
+++ b/tvix/eval/src/value/string.rs
@@ -3,7 +3,7 @@ use std::fmt::Display;
 /// This module implements Nix language strings and their different
 /// backing implementations.
 
-#[derive(Clone, Debug, Hash, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Clone, Debug, Hash, Eq, Ord)]
 pub enum NixString {
     Static(&'static str),
     Heap(String),
@@ -18,6 +18,18 @@ impl Display for NixString {
     }
 }
 
+impl PartialEq for NixString {
+    fn eq(&self, other: &Self) -> bool {
+        self.as_str() == other.as_str()
+    }
+}
+
+impl PartialOrd for NixString {
+    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+        self.as_str().partial_cmp(other.as_str())
+    }
+}
+
 impl From<&'static str> for NixString {
     fn from(s: &'static str) -> Self {
         NixString::Static(s)