diff options
Diffstat (limited to 'js/step3_env.js')
| -rw-r--r-- | js/step3_env.js | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/js/step3_env.js b/js/step3_env.js index 1f5efb7..ca8f818 100644 --- a/js/step3_env.js +++ b/js/step3_env.js @@ -47,7 +47,7 @@ function _EVAL(ast, env) { case "let*": var let_env = new Env(env); for (var i=0; i < a1.length; i+=2) { - let_env.set(a1[i].value, EVAL(a1[i+1], let_env)); + let_env.set(a1[i], EVAL(a1[i+1], let_env)); } return EVAL(a2, let_env); default: @@ -70,10 +70,10 @@ function PRINT(exp) { var repl_env = new Env(); var rep = function(str) { return PRINT(EVAL(READ(str), repl_env)); }; -repl_env.set('+', function(a,b){return a+b;}); -repl_env.set('-', function(a,b){return a-b;}); -repl_env.set('*', function(a,b){return a*b;}); -repl_env.set('/', function(a,b){return a/b;}); +repl_env.set(types._symbol('+'), function(a,b){return a+b;}); +repl_env.set(types._symbol('-'), function(a,b){return a-b;}); +repl_env.set(types._symbol('*'), function(a,b){return a*b;}); +repl_env.set(types._symbol('/'), function(a,b){return a/b;}); // repl loop if (typeof require !== 'undefined' && require.main === module) { |