2 files changed, 10 insertions, 1 deletions
diff --git a/tvix/eval/src/value/mod.rs b/tvix/eval/src/value/mod.rs
index f8fb9c7b40..47096dd409 100644
--- a/tvix/eval/src/value/mod.rs
+++ b/tvix/eval/src/value/mod.rs
@@ -101,6 +101,8 @@ impl Value {
         kind: CoercionKind,
         vm: &mut VM,
     ) -> Result<NixString, ErrorKind> {
+        // TODO: eventually, this will need to handle string context and importing
+        // files into the Nix store depending on what context the coercion happens in
         if let Value::Thunk(t) = self {
             t.force(vm)?;
         }
diff --git a/tvix/eval/src/value/string.rs b/tvix/eval/src/value/string.rs
index aa542181f9..058c7f87dd 100644
--- a/tvix/eval/src/value/string.rs
+++ b/tvix/eval/src/value/string.rs
@@ -2,7 +2,7 @@
 //! backing implementations.
 use smol_str::SmolStr;
 use std::hash::Hash;
-use std::{borrow::Cow, fmt::Display};
+use std::{borrow::Cow, fmt::Display, str::Chars};
 
 #[derive(Clone, Debug)]
 enum StringRepr {
@@ -97,6 +97,13 @@ impl NixString {
         s.push_str(other.as_str());
         NixString(StringRepr::Heap(s))
     }
+
+    pub fn chars(&self) -> Chars<'_> {
+        match &self.0 {
+            StringRepr::Heap(h) => h.chars(),
+            StringRepr::Smol(s) => s.chars(),
+        }
+    }
 }
 
 fn nix_escape_char(ch: char, next: Option<&char>) -> Option<&'static str> {