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[Raku/en] Fix typo & grammar, Remove trailing whitespace, Update IRC (#4224)

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#raku has moved to irc.libera.chat
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Andinus 2021-08-26 23:08:23 +05:30 committed by GitHub
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@ -644,7 +644,7 @@ say @natural[^10]; # OUTPUT: «1 2 3 4 5 6 7 8 9 10␤», doesn't run out of mem
# NOTE: when reading an infinite list, Raku will "reify" the elements
# it needs, then keep them in memory. They won't be calculated more than once.
# It also will never calculate more elements that are needed.
# It also will never calculate more elements than that are needed.
# An array subscript can also be a closure. It'll be called with the array's
# length as the argument. The following two examples are equivalent:
@ -744,7 +744,7 @@ first-of-array(@small); #=> 1
# Here, `@rest` is `(3,)`, since `$fst` holds the `2`. This results
# since the length (.elems) of `@rest` is 1.
sub slurp-in-array(@ [$fst, *@rest]) {
say $fst + @rest.elems;
say $fst + @rest.elems;
}
slurp-in-array(@tail); # OUTPUT: «3␤»
@ -1024,14 +1024,14 @@ sub call_say_dyn {
my $*dyn_scoped_1 = 25;
# Will change the value of the file scoped variable.
$*dyn_scoped_2 = 100;
$*dyn_scoped_2 = 100;
# $*dyn_scoped 1 and 2 will be looked for in the call.
say_dyn(); # OUTPUT: «25 100␤»
# The call to `say_dyn` uses the value of $*dyn_scoped_1 from inside
# this sub's lexical scope even though the blocks aren't nested (they're
# call-nested).
# call-nested).
}
say_dyn(); # OUTPUT: «1 10␤»
@ -1853,7 +1853,7 @@ my @fibv2 = 1, 1, { $^a + $^b } ... *;
# In the example we use a range as an index to access the sequence. However,
# it's worth noting that for ranges, once reified, elements aren't re-calculated.
# That's why, for instance, `@primes[^100]` will take a long time the first
# time you print it but then it will be instateneous.
# time you print it but then it will be instantaneous.
say @fibv0[^10]; # OUTPUT: «1 1 2 3 5 8 13 21 34 55␤»
####################################################
@ -2262,7 +2262,7 @@ This information may be a bit older but there are many great examples and
explanations. Posts stopped at the end of 2015 when the language was declared
stable and `Raku v6.c` was released.
- Come along on `#raku` at [`irc.freenode.net`](https://webchat.freenode.net/?channels=#raku). The folks here are
- Come along on `#raku` at [`irc.libera.chat`](https://web.libera.chat/?channel=#raku). The folks here are
always helpful.
- Check the [source of Raku's functions and