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| author | Father Chrysostomos <sprout@cpan.org> | 2013-09-08 15:50:46 -0700 |
|---|---|---|
| committer | Father Chrysostomos <sprout@cpan.org> | 2013-09-13 01:25:36 -0700 |
| commit | 190c39905e118b4ccbbe435b62cd9e281ff51952 (patch) | |
| tree | 3af0cb45ed142f8ca2d35d333272bfc937890a0d /pod/perldata.pod | |
| parent | 8a7ab7dc36cf5613c983db94cb5e51ee3325f1c9 (diff) | |
| download | perl-190c39905e118b4ccbbe435b62cd9e281ff51952.tar.gz | |
Improve new slice docs in perldata.pod
Diffstat (limited to 'pod/perldata.pod')
| -rw-r--r-- | pod/perldata.pod | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/pod/perldata.pod b/pod/perldata.pod index eb3bedd84c..2d83b26e4a 100644 --- a/pod/perldata.pod +++ b/pod/perldata.pod @@ -920,20 +920,25 @@ scalar) or a plural one (a list). =head3 Key/Value Hash Slices -A key/value hash slice operation is variant of slice operation that -return list of key/value pairs rather than just values: +A hash slice operation with the % symbol is a variant of slice operation +returning a list of key/value pairs rather than just values: - %sub = %h{'foo', 'bar'}; # key/value hash slice + %h = (blonk => 2, foo => 3, squink => 5, bar => 8); + %subset = %h{'foo', 'bar'}; # key/value hash slice + # %subset is now (foo => 3, bar => 8) -However, result of such slice can not be localized, deleted or used -in assignment. Otherwise very much consistent with hash slices. +However, the result of such a slice cannot be localized, deleted or used +in assignment. These are otherwise very much consistent with hash slices +using the @ symbol. =head3 Index/Value Array Slices -Like for hash the following returns list of pairs, but with -index/value pairs: +Similar to key/value hash slices, the % array slice syntax returns a list +of index/value pairs: - @list = %a[3,4,5]; + @a = "a".."z"; + @list = %a[3,4,6]; + # @list is now (3, "d", 4, "e", 6, "g") =head2 Typeglobs and Filehandles X<typeglob> X<filehandle> X<*> |