refactor.js

function run(ctx) {
  var i;
  for(i=0; i<stash.length; i++) {
      if(logBefore) { 
        trace(stash[i], ctx); 
      }
      stash[i](ctx);
      if(logAfter) { 
        trace(stash[i], ctx); 
      }
    }
}

// becomes :->

function run(ctx) {
  fn.each(function(f) { fn.compose(trace(f, 'before'), f, trace(f, 'after'))(ctx); }, stash);
}

//happy