perf(var): replace atoms by charlist

1 files changed, 3 insertions, 3 deletions

diff --git a/src/elixir_math_parser.yrl b/src/elixir_math_parser.yrl
index 17b46ad..46340ae 100644
--- a/src/elixir_math_parser.yrl
+++ b/src/elixir_math_parser.yrl
@@ -7,7 +7,7 @@ Nonterminals
 
 Terminals
   int
-  atom
+  var
   '+'
   '-'
   '*'
@@ -35,11 +35,11 @@ statements -> statement : ['$1'].
 statements -> statement statements : ['$1'|'$2'].
 statements -> statement ';;' statements : ['$1'|'$3'].
 
-statement -> atom '=' expr : {assign, '$1', '$3'}.
+statement -> var '=' expr : {assign, '$1', '$3'}.
 statement -> expr : {eval, '$1'}.
 
 expr -> int : unwrap('$1').
-expr -> atom : '$1'.
+expr -> var : '$1'.
 expr -> expr '+' expr : {add_op, '$1', '$3'}.
 expr -> expr '-' expr : {sub_op, '$1', '$3'}.
 expr -> expr '*' expr : {mul_op, '$1', '$3'}.