The multi infix:<+>( \a, \b ) candidate is the one that accepts non Numeric
values.
What it does is try to convert the two values into Numeric ones, and then
redispatch using those values.
If either one produces an error instead of a Numeric, that error is passed
along.
On Mon, Aug 30, 2021 at 9
On Sun, Aug 22, 2021 at 4:59 PM yary wrote:
>
> "How would you know what types are compatible for a particular operation?"
>
> inspecting a routine's arguments.
Bingo.
> The first couple candidates raise questions for me
>
> multi($x = 0) - how is there a single-arg candidate for an infix operat
"How would you know what types are compatible for a particular operation?"
Operations are functions so the question is the same as "How would you know
what types are compatible for a particular function"
which gets to inspecting a routine's arguments. This SO page helped me
figure that out
https:
On Sat, Aug 21, 2021 at 12:50:21PM -0700, Joseph Brenner wrote:
> But then, in a case like this one, how would you know in advance
> that it would work, without Just Trying It:
>
> my @monsters = < godzilla grendel wormface blob >;
> my $cool_monsters = < godzilla ghidra mothera >.Set;
>
References:
In-Reply-To:
toddandma...@zoho.com wrote:
> If you go to https://docs.raku.org/ and look up your variable,
> scroll down and look for "type graph", it will tell you what
> your variable is a member of.
Yes, that's right. For any particular case, you could check the
type graphs and
On 8/20/21 6:14 PM, Joseph Brenner wrote:
There are some object types that are "compatible" in certain ways, for example:
o You can do arithmetic operations on any Numeric types, a Rat
minus and Int just works (and gives you a Rat).
o You can do set operations on any of the Quant
