diff options
Diffstat (limited to 'tvix')
3 files changed, 7 insertions, 1 deletions
diff --git a/tvix/eval/src/builtins/mod.rs b/tvix/eval/src/builtins/mod.rs index c56c53e46581..464809b270e0 100644 --- a/tvix/eval/src/builtins/mod.rs +++ b/tvix/eval/src/builtins/mod.rs @@ -835,7 +835,7 @@ mod pure_builtins { ) -> Result<Value, ErrorKind> { let beg = start.as_int()?; let len = len.as_int()?; - let x = s.to_str()?; + let x = s.coerce_to_string(co, CoercionKind::Weak).await?.to_str()?; if beg < 0 { return Err(ErrorKind::IndexOutOfBounds { index: beg }); diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-substring-coerce.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-substring-coerce.exp new file mode 100644 index 000000000000..192548e94978 --- /dev/null +++ b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-substring-coerce.exp @@ -0,0 +1 @@ +"42" diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-substring-coerce.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-substring-coerce.nix new file mode 100644 index 000000000000..626ae1d1be55 --- /dev/null +++ b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-substring-coerce.nix @@ -0,0 +1,5 @@ +# builtins.substring uses string coercion internally + +builtins.substring 0 2 { + __toString = _: "4200"; +} |