add ::new_variable

src/ast.rs

@@ -55,10 +55,20 @@ pub enum Constant {
 	String(String),
 }
 
+impl Location {
+	pub fn new_variable(name: impl Into<String>) -> Self {
+		Self::Variable { name: name.into() }
+	}
+}
+
 impl Expression {
 	pub fn new_constant(value: impl Into<Constant>) -> Self {
 		Self::Constant(value.into())
 	}
+
+	pub fn new_variable(name: impl Into<String>) -> Self {
+		Self::Variable(Location::new_variable(name))
+	}
 }
 
 impl From<()> for Constant {

src/twopass.rs

@@ -407,7 +407,7 @@ mod tests {
 			args: vec![],
 			body: vec![
 				Statement::Assign {
-					target: Location::Variable { name: "x".into() },
+					target: Location::new_variable("x"),
 					source: Box::new(Expression::new_constant(1)),
 				},
 				Statement::Local {
@@ -415,13 +415,11 @@ mod tests {
 					init: Some(Box::new(Expression::new_constant(2))),
 				},
 				Statement::Assign {
-					target: Location::Variable { name: "x".into() },
+					target: Location::new_variable("x"),
 					source: Box::new(Expression::new_constant(3)),
 				},
 			],
-			ret: Some(Box::new(Expression::Variable(Location::Variable {
-				name: "x".into(),
-			}))),
+			ret: Some(Box::new(Expression::new_variable("x"))),
 		};
 		let env = crate::types::Table::default();
 		let testee = build(&testee);