Hi Todd,
1. Yes, a class is a blueprint for manufacturing objects, you can construct
as many object as you want.
2. As an example, you can try:
say " Fruitstand in $FruitStand.location has $FruitStand.apples apples.";
2. As you declared your class the object attributes will not be mutable.
But
Although it's a standard term, "class" has a misleading connotation of "set".
Using the "fruit" example, the class Fruit should indicate a set of
relevant properties for a fruit, such as name, colour, taste, size,
possibly cost/kilo. Individual variables can be defined as Fruit-type
objects. Then $
Hi Laurent, I get:
Fruitstand in Fruit<140431957910656>.location has
Fruit<140431957910656>.apples apples.
[Rakudo v2020.10]
Best, Bill.
On Fri, Dec 18, 2020 at 5:29 AM Laurent Rosenfeld via perl6-users <
perl6-us...@perl.org> wrote:
> Hi Todd,
>
> 1. Yes, a class is a blueprint for manufact
Hi Ralph
I understand that this is about avoiding the pyramid of doom.
And it is enjoyable that it can be avoided. Opt in.
No programming language I worked so far has this semantics of method
call. So we might name it differently as it is doing something
different... -> that is the trap.
(I am
On 16.12.20 12:39, Brad Gilbert wrote:
with $drone.engine {
.start;
say "engine started";
}
Now we get the inverse pyramid of doom. Above code does not the same as
mine, it only improves the debugging output, but does not fail:
with $drone.engine {
"The mysterious insights that people have when speaking, listening,
creating, and even when they are programming, are still beyond the
reach of science; nearly everything we do is still an art."
-- Donald Knuth, "Computer programming as an art", CACM, December 1974
The Raku Study Group
Decembe
On 12/18/20 9:42 AM, William Michels via perl6-users wrote:
Hi Laurent, I get:
Fruitstand in Fruit<140431957910656>.location has
Fruit<140431957910656>.apples apples.
[Rakudo v2020.10]
Best, Bill.
Hi Bill,
From my notes in progress:
-T
*** addressing values inside and object ***
Hi All,
Can anyone point me to the class declaration for contains:
https://docs.raku.org/routine/contains
I am looking for something like:
class {
method contains...
Many thanks,
-T
On 12/18/20 9:16 PM, ToddAndMargo via perl6-users wrote:
Hi All,
Can anyone point me to the class declaration for contains:
https://docs.raku.org/routine/contains
I am looking for something like:
class {
method contains...
Many thanks,
-T
Kevin answered me off list.
