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Merge pull request #710 from patzim/master
Minor fixes to return values.
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@@ -92,7 +92,7 @@ sub as-many($head, *@rest) { # the `*@` slurpy will basically "take everything e
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# but not *after*.
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# but not *after*.
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say @rest.join(' / ') ~ " !";
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say @rest.join(' / ') ~ " !";
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}
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}
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say as-many('Happy', 'Happy', 'Birthday'); #=> Happy Birthday !
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say as-many('Happy', 'Happy', 'Birthday'); #=> Happy / Birthday !
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# Note that the splat did not consume the parameter before.
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# Note that the splat did not consume the parameter before.
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## You can call a function with an array using the "argument list flattening" operator `|`
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## You can call a function with an array using the "argument list flattening" operator `|`
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@@ -127,7 +127,7 @@ sub with-named($normal-arg, :$named) {
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}
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}
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with-named(1, named => 6); #=> 7
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with-named(1, named => 6); #=> 7
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# There's one gotcha to be aware of, here:
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# There's one gotcha to be aware of, here:
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# If you quote your key, Perl 6 won't be able to see it as compile time,
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# If you quote your key, Perl 6 won't be able to see it at compile time,
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# and you'll have a single Pair object as a positional paramater.
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# and you'll have a single Pair object as a positional paramater.
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with-named(2, :named(5)); #=> 7
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with-named(2, :named(5)); #=> 7
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@@ -171,9 +171,9 @@ named-def(def => 15); #=> 15
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### Containers
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### Containers
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# In Perl 6, values are actually stored in "containers".
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# In Perl 6, values are actually stored in "containers".
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# the assignment operator asks the container on the left to store the value on its right
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# The assignment operator asks the container on the left to store the value on its right.
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# When passed around, containers are marked as immutable. Which means that, in a function,
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# When passed around, containers are marked as immutable. Which means that, in a function,
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# you'll get an error if you try to mutate one of your argument.
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# you'll get an error if you try to mutate one of your arguments.
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# If you really need to, you can ask for a mutable container using `is rw` :
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# If you really need to, you can ask for a mutable container using `is rw` :
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sub mutate($n is rw) {
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sub mutate($n is rw) {
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$n++;
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$n++;
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@@ -374,7 +374,7 @@ sub foo(@array [$fst, $snd]) {
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say "My first is $fst, my second is $snd ! All in all, I'm @array[].";
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say "My first is $fst, my second is $snd ! All in all, I'm @array[].";
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# (^ remember the `[]` to interpolate the array)
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# (^ remember the `[]` to interpolate the array)
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}
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}
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foo(@tail); #=> My first is 2, my second is 3 ! All in all, I'm 1 2
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foo(@tail); #=> My first is 2, my second is 3 ! All in all, I'm 2 3
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# If you're not using the array itself, you can also keep it anonymous, much like a scalar:
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# If you're not using the array itself, you can also keep it anonymous, much like a scalar:
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