diff options
author | Vincent Ambo <mail@tazj.in> | 2022-08-10T17·42+0300 |
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committer | tazjin <tazjin@tvl.su> | 2022-08-25T11·11+0000 |
commit | 58db7e3a65ac96664ebd8c73bdff7185e59b8cff (patch) | |
tree | 6f566dbd326993a67ed98486961e44fe7906f584 | |
parent | fb3d024d75fe4f6760ef616fe8dfd307b7d7b688 (diff) |
fix(tvix/value): ensure only string values of NixString are hashed r/4473
Change-Id: I1b97cf5a9e4e235fac72a507de49a8df508bcaa1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6138 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
Diffstat (limited to '')
-rw-r--r-- | tvix/eval/src/value/string.rs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/tvix/eval/src/value/string.rs b/tvix/eval/src/value/string.rs index 1b4f349f1ac5..f9178ca7f4bb 100644 --- a/tvix/eval/src/value/string.rs +++ b/tvix/eval/src/value/string.rs @@ -1,9 +1,10 @@ +use std::hash::Hash; use std::{borrow::Cow, fmt::Display}; /// This module implements Nix language strings and their different /// backing implementations. -#[derive(Clone, Debug, Hash, Eq, Ord)] +#[derive(Clone, Debug, Eq, Ord)] pub enum NixString { Static(&'static str), Heap(String), @@ -33,6 +34,12 @@ impl From<String> for NixString { } } +impl Hash for NixString { + fn hash<H: std::hash::Hasher>(&self, state: &mut H) { + self.as_str().hash(state) + } +} + impl NixString { pub const NAME: Self = NixString::Static("name"); pub const VALUE: Self = NixString::Static("value"); |