More ideas on syntax for builders

[Eric Lefevre-Ardant]

I've started to introduce 'with()' and 'and()' keywords in the builders I use for actions. They don't do anything technically useful (just 'return this'), but are handy for readability.

Before:

    When.the(quant).attempts_to(view_the_bar_chart().for_instrument(CAC_40).and_bar_type(Hourly).and_start_date(utc(2010, 01, 05)).and_end_date(utc(2010, 01, 05)));

Now:

    When.the(quant).attempts_to(view_the_bar_chart().with().instrument(CAC_40).bar_type(Hourly).start_date(utc(2010, 01, 05)).and().end_date(utc(2010, 01, 05)));

Notice that I do not need to make 'for_instrument()' the first call anymore.

Eric

[Douglas Squirrel]

I think we've considered these before - what do others think? Happy to look at a pull request if and when ready.

[Samir Talwar]

On the list for the next version is a BaseActor abstract class that implements the boring parts of the interfaces in a way that will be useful for most users of Narrative. Perhaps we should consider a BaseAction with useful methods such as these. I'm thinking of introducing them in my matchers too.

— Samir.