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struct methods #7

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cqcallaw opened this issue Jan 2, 2016 · 0 comments
Open

struct methods #7

cqcallaw opened this issue Jan 2, 2016 · 0 comments
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enhancement

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@cqcallaw
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cqcallaw commented Jan 2, 2016

Having a type

struct point {
    x:int
    y:int
}

and a function

translate:= (p:point, x_offset:int, y_offset:int) -> point {
    return p with { x = p.x + x_offset, y = p.y + y_offset }
}

It would be convenient and aligned with the language goal of succinctness to be able to write

p:= @Point with { x = 2, y = 3 }
p2:= p.translate(4, 5)
@cqcallaw cqcallaw changed the title Instance methods struct methods Jan 2, 2016
@cqcallaw cqcallaw mentioned this issue Jan 2, 2016
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cqcallaw added a commit that referenced this issue May 13, 2016
@cqcallaw
Validate the right-hand side of member initializers in with express…
7767b3f 
…ions

This simple fix uncovered a very strange construct in test 5109 which I
believe to be incorrect; the variable `p` was referenceable before it was
fully defined.

There is obvious utility here in that it enables member functions
 (i.e. methods), but this implementation diverges from the plans outlined in
issue #7 and seems contrary to the project's philosophy.
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