Today I learned... #1: variable scoping in if-else blocks
This block of code is valid Perl:
if (my $var1 = calc1()) {
say $var1;
} elsif (my $var2 = calc2()) {
say "$var1, $var2";
}As you can see, $var1, which is declared in the if clause, is visible inside the elsif clause too.
Perl never ceases to amaze me!
(Also appears in my blog)
I'm a Perl developer.
Reuse var1 in elsif with strict on. :)
And wondering how can var1 be useful in elsif since it has falsy value.
where var1 is in elsif assignment (warnings will complain when having "my" in front of it)