Index

SV* (scalar value) C data type

tags, managing with Exporter utility, 81

comparison functions used with, 183

tar utility, decompressing CPAN modules 

constructor versions for, 196

with, 17

creation of, 177 178

TARG SV, role in managing memory usage for 

and direct access of underlying value 

XSUBs, 219

types, 180 181

templates, using with CGI::Application 

features of, 177

module, 270 271

full name and example in Perl, 176

test scripts, getting output from, 114

getting lengths of, 181

Test::More module, benefits of, 115

getting values with, 179

test.pl file

inserting strings in middle of, 182

generating with h2xs   X   n 

nonnumeric strings used with, 179

Gnome::MIME program, 206

removing characters from beginning of 

generating with h2xs  XA  n 

strings in, 182

Gnome::MIME, 240

setting values with, 180

generating with h2xs program, 100, 

string functions used with, 181 183

108 110

testing for undef with, 183

writing for use with Inline::C, 243

truncating strings with, 181

test.pl test scripts, running Perl debugger 

type checking, 178 179

on, 116

using & operator with, 183

tied hashes, using, 60 63

using Boyer Moore search algorithm 

tied modules, using, 56 63

with, 182

tied variables, calling object methods with, 59

sv_set* functions, using, 180

TIEHASH() constructor, code for, 60

sv_setref functions, using with RVs, 190 191

ties, usage with arrays and file handles, 63

SvPVX(), advisory about using return value 

TIESCALAR() method, using with tied scalar 

from, 180 181

classes, 58

SvREFCNT C macro, inspecting reference 

TMPL_PATH option, using with 

counts with, 194

CGI::Application module, 268

SvROK C macro, distinguishing RVs from SVs 

TMTOWTDI, explanation of, 13

with, 190

trailing package specifiers (::), usage of, 25

SvTYPE C macro, using with RVs, 191

transcendental operations, overloading 

symbol tables

symbols for, 49

accessing, 26

transitions, depicting in UML diagrams, 258

using with packages, 25 29

true statements, ending modules with, 27

SYNOPSIS section 

tying versus overloading, 57, 63

of DBI, 169

typeglob values, role in symbol tables and 

of modules, 67

packages, 25

system wrappers, using with Perl C API, 

typemaps

202 203

examining, 235

sections of, 233 234

T

using with Inline::C, 244 246

writing, 232 235

t/*.t test script names, numbers added to 

types and typemaps, using with XSUBs, 

fronts of, 115

216 217

.t files

meaning of, 112

running Perl debugger on, 116

286