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Update S03-feeds/basic.t with regards to parallelism and lazy lists #538

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Update S03-feeds/basic.t with regards to parallelism and lazy lists #538

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15 changes: 6 additions & 9 deletions S03-feeds/basic.t
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Original file line number Diff line number Diff line change
Expand Up @@ -7,18 +7,18 @@ use Test;

=begin pod

Tests for the feed operators
Tests for the feed operators

==> and <==

==> and <==

=end pod

plan 23;

{
my @a = (1, 2);
my (@b, @c);

@a ==> @b;
@c <== @a;

Expand Down Expand Up @@ -66,7 +66,6 @@ plan 23;

@data = <1 2 4 5 7 8>;
@data <== grep {$_ % 2} <== eager @data;
#?rakudo 2 todo 'feeds + eager'
is(~@data, ~@odds, '@arr <== grep <== eager @arr works');

@data = <1 2 4 5 7 8>;
Expand All @@ -81,7 +80,6 @@ plan 23;

@data <== map {$_ + 1} <== @tap <== grep {$_ % 2} <== eager @data;
is(@tap, <1 3 5 7 9>, '@tap contained what was expected at the time');
#?rakudo todo 'feeds + eager'
is(@data, <2 4 6 8 10>, 'final result was unaffected by the tap variable');
}

Expand Down Expand Up @@ -114,14 +112,13 @@ plan 23;

# feed and Inf
{
dies-ok { my @a <== 0..Inf }
lives-ok { my @a <== (0..*) }, 'feed from lazy list';
}

{
my $call-count = 0;
my @a <== gather for 1..10 -> $i { $call-count++; take $i };
my @a <== lazy gather for 1..10 -> $i { $call-count++; take $i };
@a[0];
#?rakudo todo "isn't lazy"
is $call-count, 1;
}

Expand Down