On Tuesday, April 28, 2015 at 12:35:57 PM UTC-4, Martin R wrote:
>
> So, plot(x) would have no side effect, instead I would have to call show()
> on the result? Slightly weird, but still OK for me.
>
Not sure I understand, so just to clarify: The current behavior is that
plot() has no side effects, and p.show() has side effects but no return
value.
sage: p = plot(sin) # no side effect, returns graphics object
sage: p # displayhook displays graphics
def f():
p = plot(sin) # no output
p # no output
p.show() # displays graphics, no return value
pretty_print(p) # displays graphics, no return value
plot(sin, show=True) # displays graphics and returns plot
I'm not a fan of the show=True (typo: not do_show) optional keyword
argument, but apart from that I don't want to change anything else.
sage: plot(sin, show=True) # two plots since we explictly display AND
the display hook hits return value
Launched png viewer for Graphics object consisting of 1 graphics primitive
Launched png viewer for Graphics object consisting of 1 graphics primitive
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