These are currently correct:
var foo = function() { } - is lambdified as var foo = λ
_.map(arg, function(x) {}) is lambdified as _.map(arg, λ (x) {})
But a named function like:
function foo(args) {} currently turns into λ foo(args) {}. That didn't seem correct to me. It should be left alone since it's a named function and not an anonymous.