.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.16) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is turned on, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .ie \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . nr % 0 . rr F .\} .el \{\ . de IX .. .\} .\" .\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). .\" Fear. Run. Save yourself. No user-serviceable parts. . \" fudge factors for nroff and troff .if n \{\ . ds #H 0 . ds #V .8m . ds #F .3m . ds #[ \f1 . ds #] \fP .\} .if t \{\ . ds #H ((1u-(\\\\n(.fu%2u))*.13m) . ds #V .6m . ds #F 0 . ds #[ \& . ds #] \& .\} . \" simple accents for nroff and troff .if n \{\ . ds ' \& . ds ` \& . ds ^ \& . ds , \& . ds ~ ~ . ds / .\} .if t \{\ . ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" . ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' . ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' . ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' . ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' . ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' .\} . \" troff and (daisy-wheel) nroff accents .ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' .ds 8 \h'\*(#H'\(*b\h'-\*(#H' .ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] .ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' .ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' .ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] .ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] .ds ae a\h'-(\w'a'u*4/10)'e .ds Ae A\h'-(\w'A'u*4/10)'E . \" corrections for vroff .if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' .if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' . \" for low resolution devices (crt and lpr) .if \n(.H>23 .if \n(.V>19 \ \{\ . ds : e . ds 8 ss . ds o a . ds d- d\h'-1'\(ga . ds D- D\h'-1'\(hy . ds th \o'bp' . ds Th \o'LP' . ds ae ae . ds Ae AE .\} .rm #[ #] #H #V #F C .\" ======================================================================== .\" .IX Title "Data::Util::JA 3pm" .TH Data::Util::JA 3pm "2011-10-20" "perl v5.14.2" "User Contributed Perl Documentation" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" Data::Util::JA \- XXXXXXXXXXXXXXXXXXXX .SH "VERSION" .IX Header "VERSION" This document describes Data::Util version 0.59 .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& use Data::Util qw(:validate); \& \& sub foo{ \& # they will die if invalid values are supplied \& my $sref = scalar_ref(shift); \& my $aref = array_ref(shift); \& my $href = hash_ref(shift); \& my $cref = code_ref(shift); \& my $gref = glob_ref(shift); \& my $rref = regex_ref(shift); \& my $obj = instance(shift, \*(AqFoo\*(Aq); \& # ... \& } \& \& use Data::Util qw(:check); \& \& sub bar{ \& my $x = shift; \& if(is_scalar_ref $x){ \& # $x is an array reference \& } \& # ... \& elsif(is_instance $x, \*(AqFoo\*(Aq){ \& # $x is an instance of Foo \& } \& # ... \& } \& \& # miscelaneous \& use Data::Util qw(:all); \& \& my $x = anon_scalar(); \& $x = anon_scalar($x); # OK \& \& my $stash = get_stash(\*(AqFoo\*(Aq); \& \& install_subroutine(\*(AqFoo\*(Aq, \& hello => sub{ "Hello!\en" }, \& goodby => sub{ "Goodby!\en" }, \& ); \& \& print Foo::hello(); # Hello! \& \& my($pkg, $name) = get_code_info(\e&Foo::hello); # => (\*(AqFoo\*(Aq, \*(Aqhello\*(Aq) \& my $fqn = get_code_info(\e&Foo::hello); # => \*(AqFoo::Hello\*(Aq \& my $code = get_code_ref($fqn); # => \e&Foo::hello \& \& uninstall_subroutine(\*(AqFoo\*(Aq, qw(hello goodby)); \& \& print neat("Hello!\en"); # => "Hello!\en" \& print neat(3.14); # => 3.14 \& print neat(undef); # => undef .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .PP \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .PP XXXXXXXXXSXPure PerlXXXXXXXXXXXCXXXXXXXX XXXXXSXXXXXXXXXXXXXXPure PerlXXXXXXXXXXXXXX \&\s-1XXXXXXX\s0\f(CW\*(C`DATA_UTIL_PUREPERL\*(C'\fRXXXXXXXXXXXXXXXPure Perl \&\s-1XXXXXXXXXXXXXXXXXXX\s0 .PP \&\s-1XSXXXXXXXXXXXXXXXXXXX\s0 Pure PerlXXXXXXXX2XXX10XXXXXXXXXXXX XXXXSXXXXXXXXXXXXXXXXXXXXXXXPure PerlXXXX \&\s-1XXXXXXXXXXXXXXXXXXXXXXX\s0 .PP \&\s-1XXXXXXXXXXXX\s0\fIbenchmark/\fR\s-1XXXXXXXXXXXXXXXXXXX\s0 .SH "INTERFACE" .IX Header "INTERFACE" .SS "Check functions" .IX Subsection "Check functions" \&\s-1XXXXXXXX\s0\f(CW\*(C`:check\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .PP \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0\f(CW\*(C`${}\*(C'\fRX \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .PP \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_scalar_ref(value)" 4 .IX Item "is_scalar_ref(value)" \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_array_ref(value)" 4 .IX Item "is_array_ref(value)" \&\s-1XXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_hash_ref(value)" 4 .IX Item "is_hash_ref(value)" \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_code_ref(value)" 4 .IX Item "is_code_ref(value)" \&\s-1XXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_glob_ref(value)" 4 .IX Item "is_glob_ref(value)" \&\s-1XXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_regex_ref(value)" 4 .IX Item "is_regex_ref(value)" \&\f(CW\*(C`qr//\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_instance(value, class)" 4 .IX Item "is_instance(value, class)" \&\fIclass\fR\s-1XXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\f(CW\*(C`Scalar::Util::blessed($value) && $value\->isa($class)\*(C'\fR\s-1XXXXXXX\s0 \&\s-1XXXXXXX\s0 .Sp \&\fIclass\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_invocant(value)" 4 .IX Item "is_invocant(value)" \&\fIvalue\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_value(value)" 4 .IX Item "is_value(value)" \&\fIvalue\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXXX\s0(\s-1XXX\s0\f(CW\*(C`is_string\*(C'\fR/\f(CW\*(C`is_number()\*(C'\fR/\f(CW\*(C`is_integer()\*(C'\fR)XX \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXX\s0\fIvalue\fR\s-1XXXXX/XXX/XXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_string(value)" 4 .IX Item "is_string(value)" \&\fIvalue\fR\s-1XXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXX1XXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\f(CW\*(C`do{ is_value($value) && length($value) > 0 }\*(C'\fR\s-1XXXXXX\s0 .Sp \&\s-1XXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_number(value)" 4 .IX Item "is_number(value)" \&\fIvalue\fR\s-1XXXXXXXXXXXXXXXX\s0 \&\s-1XXX\s0\fB\s-1XX\s0\fR\s-1XXXXXXXXXXX\s0(\s-1XXXX\s0\f(CW\*(C`sprintf \*(Aq%g\*(Aq, $value\*(C'\fRX \&\s-1XXXXXXXXXXXXXXXXXXX\s0 XXPerlXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX .Sp \&\s-1XXXXXXXXXX\s0\f(CW\*(C`Scalar::Util::looks_like_number()\*(C'\fR\s-1XXXXX\s0 \&\f(CW\*(C`Infinity\*(C'\fRX\f(CW\*(C`NaN\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\f(CW"0 but true"\fR\s-1XXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXXXXXXXXXXXXXXXXXXXXX\s0 .IP "is_integer(value)" 4 .IX Item "is_integer(value)" \&\fIvalue\fR\s-1XXXXXXXXXXXXXXXXXXX\s0\f(CW\*(C`is_number()\*(C'\fR\s-1XXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXXXXXXXXXXXXXXXXXXXXX\s0 .SS "Validating functions" .IX Subsection "Validating functions" \&\s-1XXXXX\s0\f(CW\*(C`:validate\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXX\s0 .PP \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "scalar_ref(value)" 4 .IX Item "scalar_ref(value)" \&\s-1XXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "array_ref(value)" 4 .IX Item "array_ref(value)" \&\s-1XXXXXXXXXXXXXXXXXXXXX\s0 .IP "hash_ref(value)" 4 .IX Item "hash_ref(value)" \&\s-1XXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "code_ref(value)" 4 .IX Item "code_ref(value)" \&\s-1XXXXXXXXXXXXXXXXXXXXXX\s0 .IP "glob_ref(value)" 4 .IX Item "glob_ref(value)" \&\s-1XXXXXXXXXXXXXXXXXXXXXX\s0 .IP "regex_ref(value)" 4 .IX Item "regex_ref(value)" \&\f(CW\*(C`qr//\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "instance(value, class)" 4 .IX Item "instance(value, class)" \&\fIclass\fR\s-1XXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\fIclass\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "invocant(value)" 4 .IX Item "invocant(value)" \&\fIvalue\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\fIvalue\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXX\s0\f(CW"::Foo"\fRX\f(CW"main::Foo"\fR\s-1XXXXX\s0\f(CW"Foo"\fR\s-1XXXXXX\s0 .SS "Micellaneous utilities" .IX Subsection "Micellaneous utilities" \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "\fIanon_scalar()\fR" 4 .IX Item "anon_scalar()" \&\f(CW\*(C`undef\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXX\s0 .IP "anon_scalar(value)" 4 .IX Item "anon_scalar(value)" \&\fIvalue\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXX\s0\f(CW\*(C`do{ my $tmp = $value; \e$value; }\*(C'\fR\s-1XXXXXXXXXXXX\s0 .IP "neat(value)" 4 .IX Item "neat(value)" \&\fIvalue\fR\s-1XXXXXXXXXXXXXXXXXXXXXX\s0 \&\f(CW\*(C`do{ defined($value) ? qq{"$value"} : \*(Aqundef\*(Aq }\*(C'\fR\s-1XXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXX\s0 .IP "get_stash(invocant)" 4 .IX Item "get_stash(invocant)" \&\fIinvodant\fR\s-1XXXXXX\s0 \fBstash\fR\s-1XXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXX\s0 .Sp \&\fIinvocant\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXX\s0 .Sp \&\fIinvocant\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXX\s0 .IP "install_subroutine(package, name => subr [, ...])" 4 .IX Item "install_subroutine(package, name => subr [, ...])" \&\s-1XXXXXX\s0\fIsubr\fRX\fIpackage\fRX\fIname\fR\s-1XXXXXXXXXXXXX\s0 .Sp \&\f(CW\*(C`do{ no strict \*(Aqrefs\*(Aq; *{$package.\*(Aq::\*(Aq.$name} = \e&subr; }\*(C'\fR\s-1XXXXXXX\s0 \&\s-1XXXXXXXXXXX\s0\fIsubr\fR\s-1XXXXXXXXXXXXXX\s0\fIpackage\fRX \&\s-1XXXXXXXXXX\s0\fI&package::name\fR\s-1XXXXXXXX\s0(XXXXPure PerlXXXXXXXXXXXXXXXXXXXXXXXX)X .Sp \&\s-1XXXXXXXXXXXXXXXXXXXX\s0\f(CW\*(C`no warnings \*(Aqredefine\*(Aq\*(C'\fR \&\s-1XXXXXXXXXXXXXXXX\s0 .Sp .Vb 2 \& no warnings \*(Aqredefine\*(Aq; \& install_subrouitne($package, $name => $subr); .Ve .Sp \&\fIpackage\fRX\fIname\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\fIsubr\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXXXX\s0\f(CW\*(C`no strict \*(Aqrefs\*(Aq\*(C'\fR\s-1XXXXXXXXXX\s0\fBstrictXXXXXX\fRXXXXXXXXXXXXXstrictXXXXXXXXXXXXXXXXXXXXXXX .Sp .Vb 2 \& my $property = ...; \& # ... \& \& no strict \*(Aqrefs\*(Aq; \& # simple read\-only accessor \& *{$pkg . \*(Aq::\*(Aq . $sub_name} = sub{ \& my($self) = @_; \& return $self\->{$property}; \& } .Ve .Sp \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXX\s0\f(CW$self\fR\s-1XXXXXXXXXXXXXXXXXXXXX\s0 \&\f(CW\*(C`$self\->{$property}\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXX\s0\f(CW\*(C`undef\*(C'\fR\s-1XXXXXXXXXX\s0 \&\f(CW\*(C`\s-1XXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp XXXXXXstrictXXXXXXXXXXXXXXXXXXXXXXXXX \&\f(CW\*(C`use strict\*(C'\fR\s-1XXXXXXXXXXXXXX\s0 .Sp .Vb 6 \& no strict \*(Aqrefs\*(Aq; \& *{$pkg . \*(Aq::\*(Aq . $sub_name} = sub{ \& use strict \*(Aqrefs\*(Aq; \& my($self) = @_; \& return $self\->{$property}; \& } .Ve .Sp \&\s-1XXXX\s0\f(CW\*(C`install_subroutine()\*(C'\fR\s-1XXXXX\s0\f(CW\*(C`strict\*(C'\fR\s-1XXXXXXXXXXXXXXX\s0 .Sp .Vb 6 \& install_subroutine $pkg => ( \& $sub_name => sub{ \& my($self) = @_; \& return $self\->{$property}; \& }, \& ); .Ve .Sp XXstrictXXXXXXXXXXXX\*(L"18.10\*(R" in \*(L"PerlXXXXXXXXX\*(R" \&\fI\s-1XXXXXXX\s0 \- \s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0\fR \s-1XXXXXXXXX\s0 .IP "uninstall_subroutine(package, name [=> code], ...)" 4 .IX Item "uninstall_subroutine(package, name [=> code], ...)" \&\s-1XXXXXX\s0\fIname\fR\s-1XXXXXX\s0\fIpackage\fR\s-1XXXXXXXX\s0 .Sp \&\f(CW\*(C`undef &subr\*(C'\fRX\f(CW&subr\fR\s-1XXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXX\s0\f(CW\*(C`uninstall_subroutine\*(C'\fR\s-1XXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXX\s0 \&\s-1XXXXX\s0\f(CW\*(C`namespace::clean\*(C'\fRX\f(CW\*(C`constant::lexical\*(C'\fR\s-1XXXXXXXXXXXXX\s0 .Sp \&\fIname\fR\s-1XXXX\s0\fIcode\fR\s-1XXXXXXXXXXXX\s0\f(CW&package::name\fRX\fIcode\fR\s-1XXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp .Vb 2 \& uninstall_subroutine($pkg, $name) if \e&{$pkg . \*(Aq::\*(Aq . $name} == $code; \& uninstall_subroutine($pkg, $name => $code); .Ve .Sp \&\s-1XXXXX\s0\f(CW\*(C`Sub::Delete::delete_sub()\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXX\s0 .IP "get_code_info(subr)" 4 .IX Item "get_code_info(subr)" \&\s-1XXXXXX\s0\fIsubr\fR\s-1XXXXXXXXXXXXXXXXXX\s0 \&\s-1XXX\s0\f(CW\*(C`Sub::Identify::get_code_info()\*(C'\fR\s-1XXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\fIsubr\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXX\s0\f(CW\*(C`undef\*(C'\fR\s-1XXXXXX\s0 .IP "get_code_ref(package, name)" 4 .IX Item "get_code_ref(package, name)" \&\fI\e&package::name\fR\s-1XXXXXXXXXXXXXXX\s0 \&\s-1XXX\s0\f(CW\*(C`do{ no strict \*(Aqrefs\*(Aq; *{$package . \*(Aq::\*(Aq . $name}{CODE} }\*(C'\fR \&\s-1XXXXXXXX\s0\fI\e&package::name\fR\s-1XXXXXXXXXX\s0 \&\fI*package::name\fR\s-1XXXXXXXX\s0 .Sp \&\s-1XXXXXXX\s0\f(CW"\-create"\fR\s-1XXXXXX\s0\fI\e&package::name\fR\s-1XXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXX\s0 \&\s-1XXX\s0\f(CW\*(C`do{ no strict \*(Aqrefs\*(Aq; \e&{$package . \*(Aq::\*(Aq . $name} }\*(C'\fR\s-1XXXXXX\s0 .IP "curry(subr, args and/or placeholders)" 4 .IX Item "curry(subr, args and/or placeholders)" \&\s-1XXXXXX\s0\fIsubr\fR\s-1XXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\fIargs and/or placeholders\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0\fIx\fR\s-1XXX\s0 \&\s-1XX\s0\f(CW\*(C`\ex\*(C'\fR\s-1XX\s0\f(CW\*(C`\ex\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\f(CW*_\fR\s-1XXXXXX\s0 .Sp \&\s-1XXXXXXXX\s0\f(CW$closure\fRX\f(CW$curried\fR\s-1XXXXXXXXXXXXXXXXXXXX\s0 .Sp .Vb 3 \& my $class = \*(AqFoo\*(Aq; \& $closure = sub{ is_instance($_[0], $class) }; \& $curried = curry \e&is_instance, \e0, $class; \& \& $closure = sub{ install_subroutine($class, @_) }; \& $curried = curry \e&install_subroutine, $class, *_; .Ve .Sp \&\s-1XXX\s0\f(CW*_\fRX\f(CW\*(C`\ex\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXX\s0\f(CW\*(C`curry(\e&subr, *_, \e1)\->(0, 1, 2, 3)\*(C'\fR\s-1XXXXXXXXXX\s0 \&\f(CW\*(C`subr(2, 3, 1)\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\f(CW$_[0]\fR(\s-1XXX0\s0)XXXXXXXX .Sp \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXXXXXXXXXXXX\s0Data::Util::Curry\s-1XXXXXX\s0 .IP "modify_subroutine(subr, modifier_type => [subroutines], ...)" 4 .IX Item "modify_subroutine(subr, modifier_type => [subroutines], ...)" \&\s-1XXXXXX\s0\fIsubr\fRX\fImodifier_type\fR\s-1XXXXXX\s0\fIsubroutines\fR\s-1XXXXX\s0 \&\s-1XXXX\s0\fImodified_subr\fR\s-1XXXXXXXX\s0 .Sp \&\fImodifier_type\fR\s-1XX\s0\f(CW\*(C`before\*(C'\fR, \f(CW\*(C`around\*(C'\fR, \f(CW\*(C`after\*(C'\fR\s-1XXXX\s0\f(CW\*(C`before\*(C'\fRX \&\fIsubr\fR\s-1XXXXXXXX\s0\f(CW\*(C`after\*(C'\fRX\fIsubr\fR\s-1XXXXXXX\s0\fImodified_subr\fRX \&\s-1XXXXXXXXXXXXXXXX\s0\f(CW\*(C`before\*(C'\fRX\f(CW\*(C`after\*(C'\fR\s-1XXXXXXXXXXXX\s0 \&\f(CW\*(C`around\*(C'\fRX\fIsubr\fR\s-1XXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXXXXXXXXX\s0\f(CW\*(C`before\*(C'\fRX\f(CW\*(C`around\*(C'\fR\s-1XXXXXXXXXXXXXXXXXX\s0 (last\-defined\-first\-called)X\f(CW\*(C`after\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXX\s0(first\-defined\-first\-called)XXXXXXXXX\f(CW\*(C`subroutine_modifier()\*(C'\fR\s-1XXXX\s0 \&\s-1XXX\s0 .Sp \&\s-1XXXXX\s0 .Sp .Vb 6 \& $modified = modify_subroutine(\e&foo, around => [sub{ \& my $next = shift; \& do_something(); \& goto &{$next}; # continuation \& }]); \& $modified\->(); \& \& $modified = modify_subroutine(\e&foo, \& before => \e@befores, \& around => \e@arounds, \& after => \e@afters, \& ); \& $modified\->(); .Ve .Sp \&\s-1XSXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXXXXXXXXXXXXXXXXXXX\s0\fIexample/lib/Method/Modifiers.pm\fR (\f(CW\*(C`modify_subroutine()\*(C'\fR/\f(CW\*(C`subroutine_modifier()\*(C'\fR\s-1XXX\s0)XXXXXXX \&\fIbenchmark/methext_bench.pl\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp .Vb 3 \& with before modifier: 100% slower \& with after modifier: 100% slower \& with around modifier: 200% slower .Ve .Sp \&\s-1XXX\s0\f(CW\*(C`before\*(C'\fRX\f(CW\*(C`after\*(C'\fRX\f(CW\*(C`SUPER::\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXXXXXXXXX\s0\*(L"Method Modifiers\*(R" in Class::MOP::ClassX \&\s-1XXXXXXXXXXX\s0Class::Method::Modifiers\s-1XXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXAPIXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXXXX\s0 .IP "subroutine_modifier(modified, modifier_type => subroutines, ...)" 4 .IX Item "subroutine_modifier(modified, modifier_type => subroutines, ...)" \&\f(CW\*(C`modify_subroutine()\*(C'\fR\s-1XXXXX\s0\fImodified\fR\s-1XXXXXXX\s0 .Sp \&\s-1XXX\s0\fImodified\fR\s-1XXXXXXXXXXX\s0\fImodified\fRX\f(CW\*(C`modify_subroutine()\*(C'\fRX \&\s-1XXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp .Vb 3 \& if(subroutine_modifier $subr){ \& # $subrXXXXXXXXXXXX \& } .Ve .Sp \&\fImodified\fRX\fImodifier_type\fR(\f(CW\*(C`before\*(C'\fR, \f(CW\*(C`around\*(C'\fR, \f(CW\*(C`after\*(C'\fR) \&\s-1XXXXXXX\s0\fImodifier_type\fR\s-1XXXXXXXXXXXXXX\s0 .Sp .Vb 1 \& @befores = subroutine_modifier $modified, \*(Aqbefore\*(Aq; .Ve .Sp \&\s-1XXXXXXXXXXXXXXXXXXXXXX\s0\fImodified\fRX\fImodifier_type\fRX \&\s-1XXXXXXXXXXX\s0 .Sp .Vb 1 \& subroutine_modifier $modified, before => @befores; .Ve .IP "mkopt(input, moniker, require_unique, must_be)" 4 .IX Item "mkopt(input, moniker, require_unique, must_be)" \&\fIinput\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXX\s0\f(CW\*(C`Data::OptList::mkopt()\*(C'\fR\s-1XXXXXXXXXXXXXX\s0\fImust_be\fRX \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp For example: .Sp .Vb 2 \& $array_ref = mkopt([qw(foo bar), baz => [42]], \*(Aqmoniker\*(Aq); \& # $array_ref == [ [foo => undef], [bar => undef], baz => [42] ] .Ve .IP "mkopt_hash(input, moniker, must_be)" 4 .IX Item "mkopt_hash(input, moniker, must_be)" \&\fIinput\fR\s-1XXXXXXXXXXXXXXXXXXXX\s0 .Sp \&\s-1XXX\s0\f(CW\*(C`Data::OptList::mkopt_hash()\*(C'\fR\s-1XXXXXXXXXXXXXX\s0\fImust_be\fRX \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .Sp For example: .Sp .Vb 2 \& $hash_ref = mkopt([qw(foo bar), baz => [42]], \*(Aqmoniker\*(Aq); \& # $hash_ref == { foo => undef, bar => undef, baz => [42] } .Ve .SS "Error handling" .IX Subsection "Error handling" \&\s-1XXXXXXXXXXXXXXXXXXXXX\s0\f(CW\*(C`Data::Util::Error\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXX\s0 .PP .Vb 3 \& package Foo; \& use Data::Util::Error sub{ Foo::InvalidArgument\->throw(@_) }; \& use Data::Util qw(:validate); \& \& # ... .Ve .PP \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0\f(CW\*(C`Data::Util\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .SH "DISCUSSIONS" .IX Header "DISCUSSIONS" .SH "What is a X\-reference?" .IX Header "What is a X-reference?" \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 \&\s-1XXXXXXXXXXX3XXXXXXXX\s0 .IP "1." 4 \&\f(CW\*(C`ref($x) eq \*(AqHASH\*(Aq\*(C'\fR .IP "2." 4 \&\f(CW\*(C`Scalar::Util::reftype($x) eq \*(AqHASH\*(Aq\*(C'\fR .IP "3." 4 \&\f(CW\*(C`overload::Method($x, \*(Aq%{}\*(Aq)\*(C'\fR .PP \&\f(CW\*(C`ref()\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .PP \&\f(CW\*(C`reftype()\*(C'\fRXXXXXXXXXXXXX$xXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX .PP \&\s-1XXX\s0\f(CW\*(C`overload::Method\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .PP XXXXX$xXXXXXXXXXXXXXXXXXXXXXX(\f(CW\*(C`$x\->{$key}\*(C'\fR)XXXXXXXXXXXX$xXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX .PP \&\s-1XXXXXXX\s0\f(CW\*(C`is_hash_ref()\*(C'\fR\s-1XXXXXXXXXXXXXXXXXXXXXX\s0\f(CW\*(C`Params::Util\*(C'\fRXXXXXXXXVersion 0.35XXXXXX\f(CW\*(C`P::U::_HASH\*(C'\fRX(1)XX\f(CW\*(C`P::U::_HASHLIKE\*(C'\fRX(2)X(3)\fIXXXXXXXXXXXXXXXXXXXXX\fR\|(1)\fIXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\fR\|(2)XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\f(CW\*(C`is_hash_ref()\*(C'\fRX(1)X(3)XXXXXXXXXXXXXXXXXXXXXXXXXXXX .PP \&\s-1XXXXXX\s0\f(CW\*(C`is_hash_ref()\*(C'\fR\s-1XX\s0\f(CW\*(C`ref()\*(C'\fRX\f(CW\*(C`overload::Method()\*(C'\fR\s-1XXXXXXXXXXXXXXXXXX\s0\f(CW\*(C`is_scalar_ref()\*(C'\fRX\f(CW\*(C`is_array_ref()\*(C'\fRX\f(CW\*(C`is_code_ref()\*(C'\fRX\f(CW\*(C`is_glob_ref()\*(C'\fR\s-1XXXXXX\s0 .SH "ENVIRONMENT VARIABLES" .IX Header "ENVIRONMENT VARIABLES" .SS "\s-1DATA_UTIL_PUREPERL\s0" .IX Subsection "DATA_UTIL_PUREPERL" XXXXXXPure PerlXXXXXXXXXXXXXXX .SH "DEPENDENCIES" .IX Header "DEPENDENCIES" Perl 5.8.1 or later. .SH "BUGS AND LIMITATIONS" .IX Header "BUGS AND LIMITATIONS" No bugs have been reported. .PP Please report any bugs or feature requests to the author. .SH "SEE ALSO" .IX Header "SEE ALSO" overload. .PP Scalar::Util. .PP Class::MOP. .PP \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXSXXXXX\s0 \&\s-1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\s0 .PP Params::Util. .PP Sub::Install. .PP Sub::Identify. .PP Sub::Delete. .PP Sub::Curry. .PP Class::Method::Modifiers. .PP Data::OptList. .SH "AUTHOR" .IX Header "AUTHOR" Goro Fuji (gfx) .SH "LICENSE AND COPYRIGHT" .IX Header "LICENSE AND COPYRIGHT" Copyright (c) 2008\-2009, Goro Fuji (gfx) . Some rights reserved. .PP This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.