1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
|
#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use Syntax::Keyword::Match;
# in scalar context
{
my $ret = do {
my $topic = "two";
match($topic : eq) {
case("one") { 1 }
case("two") { 2 }
case("three") { 3 }
}
};
is( $ret, 2, 'match/case in scalar context' );
}
{
sub yieldsnumber { 99 }
my $ret = do {
match(1 : ==) {
case(1) { yieldsnumber }
case(2) { 0 }
}
};
is( $ret, 99, 'match/case yields value of entersub' );
}
# in list context
{
my @ret = do {
my $topic = "x,y";
match($topic : eq) {
case("a,b") { "a", "b" }
case("x,y") { "x", "y" }
}
};
is( \@ret, [ "x", "y" ], 'match/case in list context' );
}
# as final-expr
{
sub func {
match($_[0] : ==) {
case(1) { "one" }
case(2) { "two" }
case(3) { "three" }
}
}
is( scalar func(2), "two", 'match/case as final-expr' );
}
done_testing;
|