00001 var eq = require('./eq');
00002
00011 function assocIndexOf(array, key) {
00012 var length = array.length;
00013 while (length--) {
00014 if (eq(array[length][0], key)) {
00015 return length;
00016 }
00017 }
00018 return -1;
00019 }
00020
00021 module.exports = assocIndexOf;