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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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18
Task/Partial-function-application/Perl/partial-function-application.pl Normal file
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sub fs :prototype(&) {
my $func = shift;
sub { map $func->($_), @_ }
}
sub double :prototype($) { shift() * 2 }
sub square :prototype($) { shift() ** 2 }
my $fs_double = fs(\&double);
my $fs_square = fs(\&square);
my @s = 0 .. 3;
print "fs_double(@s): @{[ $fs_double->(@s) ]}\n";
print "fs_square(@s): @{[ $fs_square->(@s) ]}\n";
@s = (2, 4, 6, 8);
print "fs_double(@s): @{[ $fs_double->(@s) ]}\n";
print "fs_square(@s): @{[ $fs_square->(@s) ]}\n";