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.IX Title "Perlude::Lazy 3pm"
.TH Perlude::Lazy 3pm "2023-02-03" "perl v5.36.0" "User Contributed Perl Documentation"
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.SH "Perlude::Lazy"
.IX Header "Perlude::Lazy"
An experimentation of implementing real lazy lists in Perl5.
For real world usecases, please use Perlude instead.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
Haskell prelude miss you when you write perl stuff? Perlude is a port of the
most common keywords. Some other keywords where added when there is no haskell
equivalent.
.PP
Example: in haskell you can write
.PP
.Vb 6
\&    nat        = [0..]
\&    is_even x  = ( x \`mod\` 2 ) == 0
\&    evens      = filter is_even
\&    main       =  mapM_ print
\&        $ take 10
\&        $ evens nat
.Ve
.PP
in perlude, the same code will be:
.PP
.Vb 5
\&    use Perlude;
\&    my $nat = enlist { state $x = 0; $x++ };
\&    sub is_even { ($_ % 2) == 0 }
\&    sub evens   { filter {is_even} shift }
\&    traverse {say} take 10, evens $nat
.Ve
.SH "FUNCTIONS"
.IX Header "FUNCTIONS"
all the Perlude documentation is relevant. just replace sub by enlist