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feat(tvix/value): add some necessary helpers for strings

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Deriving Ord/Eq is required for the ordered BTreeMaps. Once interning
is implemented this will require some extra magic for the sort order,
but that's fine.

Change-Id: I0c654648eb3609a4a01d84868c25f43a4d35bc2e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6089
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
This commit is contained in:
Vincent Ambo 2022-08-09 16:52:01 +03:00 • committed by tazjin
parent 865717a8db
commit e24248df3b
2 changed files with 14 additions and 4 deletions
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4
tvix/eval/src/value/string.rs
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@ -3,8 +3,8 @@ use std::fmt::Display;
/// This module implements Nix language strings and their different
/// backing implementations.
#[derive(Clone, Debug, Hash, PartialEq)]
pub struct NixString(String);
#[derive(Clone, Debug, Hash, PartialEq, Eq, PartialOrd, Ord)]
pub struct NixString(pub String);
impl Display for NixString {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {