---
name: Scalar::Util
runtime: pp
source: src/native/Scalar/Util/pp.rs
---
```{index} single: Scalar::Util; Perl module (pp runtime)
```

# Scalar::Util

Native implementation of Scalar::Util

Provides scalar utility functions (blessed, reftype, etc.)

# Synopsis

    use Scalar::Util qw(blessed reftype weaken looks_like_number);

    if (blessed $obj) {
        print ref($obj), "\n";
    }

    my $type = reftype($ref);    # "HASH", "ARRAY", etc.

    weaken($ref);                # prevent circular reference leak

    if (looks_like_number($str)) {
        print "$str is numeric\n";
    }

Perl equivalent: Scalar::Util