Index: U
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Index: U
- undef (value)
- autovivification and: 4.7. Autovivification
- filesystem capture example: 7.6. Building Recursively Defined Data
- ref operator and: 9.6. Making a Method Work with Either Classes or Instances
- variables with value of: 6.7. Closure Variables as Static Local Variables
- weak references and: 10.6. Weakening the Argument
- unimport method (Exporter): 12.10. Exporting in a Primarily OO Module
- UNIVERSAL class
- inheritance and: 8.5. A Few Notes About @ISA
- purpose of: 11.1. UNIVERSAL Methods
- utility methods: 11.2. Testing Your Objects for Good Behavior
- 11.2. Testing Your Objects for Good Behavior
- unshift function: 2.5.1. Extending @INC
- 12.7. Setting the Path at the Right Time
- URIs (universal resource identifiers): 12.10. Exporting in a Primarily OO Module
- URI::URL module: 12.10. Exporting in a Primarily OO Module
- url subroutine (URI::URL): 12.10. Exporting in a Primarily OO Module
- use base: 8.5. A Few Notes About @ISA
- use CGI: 12.11. Custom Import Routines
- use lib: 12.7. Setting the Path at the Right Time
- 12.7. Setting the Path at the Right Time
- 13.10. Using the Alternate Library Location
- use operation: 12.6. What use Is Doing
- 13.3. The Prototype Module Itself
- 14.3. Writing Tests with Test::More
- 14.3. Writing Tests with Test::More
- use strict: 8.1. If We Could Talk to the Animals...
- 8.5. A Few Notes About @ISA
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