variables do not include interpolation

src/lib.rs

@@ -97,7 +97,7 @@ use crate::style::Style;
 pub(crate) use crate::token::Token;
 use crate::utils::{
     devour_whitespace, eat_comment, eat_ident, eat_variable_value, parse_quoted_string,
-    read_until_newline, VariableDecl,
+    read_until_newline, VariableDecl, eat_ident_no_interpolation
 };
 use crate::value::Value;
 
@@ -530,7 +530,7 @@ pub(crate) fn eat_expr<I: Iterator<Item = Token>>(
                     values.push(toks.next().unwrap());
                     continue;
                 }
-                let name = eat_ident(toks, scope, super_selector)?;
+                let name = eat_ident_no_interpolation(toks)?;
                 if toks.peek().unwrap().kind == ':' {
                     toks.next();
                     devour_whitespace(toks);

src/value/parse.rs

@@ -15,7 +15,7 @@ use crate::selector::Selector;
 use crate::unit::Unit;
 use crate::utils::{
     devour_whitespace, eat_comment, eat_ident, eat_number, parse_interpolation,
-    parse_quoted_string, read_until_newline,
+    parse_quoted_string, read_until_newline, eat_ident_no_interpolation
 };
 use crate::value::Value;
 use crate::Token;
@@ -465,7 +465,7 @@ impl Value {
             }
             '$' => {
                 toks.next();
-                Ok(scope.get_var(&eat_ident(toks, scope, super_selector)?)?)
+                Ok(scope.get_var(&eat_ident_no_interpolation(toks)?)?)
             }
             '@' => Err("expected \";\".".into()),
             '+' => {

tests/variables.rs

@@ -103,3 +103,8 @@ test!(
 //     "$vär: foo;\na {\n  color: $vär;\n}\n",
 //     "a {\n  color: foo;\n}\n"
 // );
+test!(
+    variable_does_not_include_interpolation,
+    "$input: foo;\na {\n  color: $input#{\"literal\"};\n}\n",
+    "a {\n  color: foo literal;\n}\n"
+);