Method Chaining

[Jussi Piitulainen]

Lawrence D’Oliveiro writes:

> On Friday, June 17, 2016 at 8:13:50 PM UTC+12, Ned Batchelder wrote:
>> But the unchained version is more explicit, and avoids
>> the awkward parenthesis.
>
> What if it had been
>
>     the_context.move_to((p1 + p2a) / 2)
>     the_context.line_to(p1 + (p2 - p1) * frac)
>     the_context.line_to((p1 + p1a) / 2)
>     the_context.stroke()
>     the_context.move_to((p2 + p2a) / 2)
>     the_context.line_to(p2 + (p1 - p2) * frac)
>     the_context.line_to((p2 + p1a) / 2)
>     the_context.stroke()
>
> ?

g = the_context
g.move_to((p1 + p2a) / 2)
g.line_to(p1 + (p2 - p1) * frac)
g.line_to((p1 + p1a) / 2)
g.stroke()
g.move_to((p2 + p2a) / 2)
g.line_to(p2 + (p1 - p2) * frac)
g.line_to((p2 + p1a) / 2)
g.stroke()