--- a/crates/jrsonnet-evaluator/Cargo.toml
+++ b/crates/jrsonnet-evaluator/Cargo.toml
@@ -31,7 +31,6 @@
 pathdiff = "0.2.0"
 
 closure = "0.3.0"
-indexmap = "1.6"
 
 md5 = "0.7.0"
 base64 = "0.13.0"
--- a/crates/jrsonnet-evaluator/src/builtin/mod.rs
+++ b/crates/jrsonnet-evaluator/src/builtin/mod.rs
@@ -585,8 +585,7 @@
 	name: &str,
 	args: &ArgsDesc,
 ) -> Result<Val> {
-	if let Some(f) = BUILTINS.with(|builtins| builtins.get(name).copied()) {
-		return Ok(f(context, loc, args)?);
-	}
-	throw!(IntrinsicNotFound(name.into()))
+	BUILTINS.with(|builtins| builtins.get(name).copied()).ok_or_else(||
+		IntrinsicNotFound(name.into())
+	)?(context, loc, args)
 }
--- a/crates/jrsonnet-evaluator/src/evaluate.rs
+++ b/crates/jrsonnet-evaluator/src/evaluate.rs
@@ -222,12 +222,12 @@
 	let future_this = FutureObjValue::new();
 	let context_creator = context_creator!(
 		closure!(clone context, clone new_bindings, |this: Option<ObjValue>, super_obj: Option<ObjValue>| {
-			Ok(context.clone().extend_unbound(
+			context.clone().extend_unbound(
 				new_bindings.clone().unwrap(),
 				context.dollar().clone().or_else(||this.clone()),
 				Some(this.unwrap()),
 				super_obj
-			)?)
+			)
 		})
 	);
 	{
@@ -327,12 +327,12 @@
 					let new_bindings = FutureNewBindings::new();
 					let context_creator = context_creator!(
 						closure!(clone context, clone new_bindings, |this: Option<ObjValue>, super_obj: Option<ObjValue>| {
-							Ok(context.clone().extend_unbound(
+							context.clone().extend_unbound(
 								new_bindings.clone().unwrap(),
 								context.dollar().clone().or_else(||this.clone()),
 								None,
 								super_obj
-							)?)
+							)
 						})
 					);
 					let mut bindings: HashMap<IStr, LazyBinding> = HashMap::new();
@@ -439,7 +439,7 @@
 		Var(name) => push(
 			loc.as_ref(),
 			|| format!("variable <{}>", name),
-			|| Ok(context.binding(name.clone())?.evaluate()?),
+			|| context.binding(name.clone())?.evaluate(),
 		)?,
 		Index(value, index) => {
 			match (evaluate(context.clone(), value)?, evaluate(context, index)?) {
--- a/crates/jrsonnet-evaluator/src/lib.rs
+++ b/crates/jrsonnet-evaluator/src/lib.rs
@@ -344,11 +344,11 @@
 					None,
 					|| "during TLA call".to_owned(),
 					|| {
-						Ok(func.evaluate_map(
+						func.evaluate_map(
 							self.create_default_context()?,
 							&self.settings().tla_vars,
 							true,
-						)?)
+						)
 					},
 				)?,
 				v => v,
@@ -432,7 +432,7 @@
 		Ok(self.settings().import_resolver.resolve_file(from, path)?)
 	}
 	pub fn load_file_contents(&self, path: &PathBuf) -> Result<IStr> {
-		Ok(self.settings().import_resolver.load_file_contents(path)?)
+		self.settings().import_resolver.load_file_contents(path)
 	}
 
 	pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {
@@ -548,8 +548,8 @@
 					.to_json(0)
 					.unwrap()
 					.replace("\n", "")
-				})
-			}};
+			})
+		}};
 	}
 
 	/// Asserts given code returns `true`
--- a/crates/jrsonnet-evaluator/src/typed.rs
+++ b/crates/jrsonnet-evaluator/src/typed.rs
@@ -16,8 +16,8 @@
 		match $value {
 			$match(v) => v,
 			_ => unreachable!(),
-			}
-		}};
+		}
+	}};
 }
 
 #[derive(Debug, Error, Clone)]
@@ -177,7 +177,7 @@
 							None,
 							|| format!("array index {}", i),
 							|| ValuePathItem::Index(i as u64),
-							|| Ok(elem_type.check(&item.clone()?)?),
+							|| elem_type.check(&item.clone()?),
 						)?;
 					}
 					Ok(())
@@ -191,7 +191,7 @@
 							None,
 							|| format!("array index {}", i),
 							|| ValuePathItem::Index(i as u64),
-							|| Ok(elem_type.check(&item.clone()?)?),
+							|| elem_type.check(&item.clone()?),
 						)?;
 					}
 					Ok(())
--- a/crates/jrsonnet-evaluator/src/val.rs
+++ b/crates/jrsonnet-evaluator/src/val.rs
@@ -343,7 +343,7 @@
 		match $e {
 			$p => $r,
 			_ => panic!("no match"),
-			}
+		}
 	};
 }
 impl Val {
@@ -537,7 +537,7 @@
 			let ctx = s
 				.create_default_context()?
 				.with_var("__tmp__to_json__".into(), self.clone());
-			Ok(evaluate(
+			evaluate(
 				ctx,
 				&el!(Expr::Apply(
 					el!(Expr::Index(
@@ -558,7 +558,7 @@
 					false
 				)),
 			)?
-			.try_cast_str("to json")?)
+			.try_cast_str("to json")
 		})
 	}
 }
--- a/crates/jrsonnet-parser/src/expr.rs
+++ b/crates/jrsonnet-parser/src/expr.rs
@@ -32,6 +32,12 @@
 	Unhide,
 }
 
+impl Visibility {
+	pub fn is_visible(&self) -> bool {
+		matches!(self, Self::Normal | Self::Unhide)
+	}
+}
+
 #[cfg_attr(feature = "serialize", derive(Serialize))]
 #[cfg_attr(feature = "deserialize", derive(Deserialize))]
 #[derive(Debug, PartialEq)]
@@ -337,8 +343,8 @@
 				Some(ExprLocation($name, $start, $end))
 			} else {
 				None
-				},
-			)
+			},
+		)
 	};
 }
 
--- a/crates/jrsonnet-parser/src/lib.rs
+++ b/crates/jrsonnet-parser/src/lib.rs
@@ -319,8 +319,8 @@
 				&ParserSettings {
 					loc_data: false,
 					file_name: Rc::new(PathBuf::from("/test.jsonnet")),
-					},
-				)
+				},
+			)
 			.unwrap()
 		};
 	}