Implicit parameters in {{#each}} introduces a peculiarity in helpers calling convention

[Bertrand]

Hello,

While porting 2.0 features to the objective-C version of handlebars, I came across a peculiarity introduced while trying to solve issue #671.

Since calling {{#each}} with no parameter was crashing the lib, you chose to accept {{#each}} as a valid syntax equivalent to {{#each .}}

I've ported this to handlebars-objc but I would like you to consider removing this from the 2.0 release while it's still in alpha phase.

each is the only built-in helper supporting this feature. I fear that a user stumbling upon {{#each}} would at least expect {{#if}} and {{#unless}} to also work.

Since the actual issue reported in #671 was a crash, don't you think it'd be wise reporting a better error rather than introduce such a peculiarity?

[Bertrand]

Adding a jsfiddle that exhibits the consistency issue
http://jsfiddle.net/bertrandg/m34sb/

[kpdecker]

Humm. You do raise an interesting point. I want to mull it over a little bit more but I think that reverting and adding an explicit throw with a better error message may be the better route, as you suggest.

[Bertrand]

Hello Kevin, have you had the chance to think a little bit more about this?

[kpdecker]

I think we do want to go the route of explicit checks here. I'm swamped with day job activities right now, but pull requests are certainly welcome :)

[kpdecker]

Released in v2.0.0-beta.1