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Diffstat (limited to 'tvix/eval/src/builtins/mod.rs')
| -rw-r--r-- | tvix/eval/src/builtins/mod.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tvix/eval/src/builtins/mod.rs b/tvix/eval/src/builtins/mod.rs index 1a6155a82352..872033648aff 100644 --- a/tvix/eval/src/builtins/mod.rs +++ b/tvix/eval/src/builtins/mod.rs @@ -234,6 +234,11 @@ fn pure_builtins() -> Vec<Builtin> { .collect::<Vec<Value>>(); Ok(Value::List(NixList::construct(parts.len(), parts))) }), + Builtin::new("stringLength", &[false], |args, vm| { + // also forces the value + let s = args[0].coerce_to_string(CoercionKind::Weak, vm)?; + Ok(Value::Integer(s.as_str().len() as i64)) + }), Builtin::new( "sub", &[false, false], |