src/compile/blocks.js
function(block) {
      var ast = block[0];
      var _block = block.slice(1);
      var defines = this.defines;

      defines[ast.id] = _block;
    }
function(block) {
      var ast = block[0];
      var _block = block.slice(1);
      var defines = this.defines;

      defines[ast.id] = _block;
    }
define