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Add a simple function to force an arrayref

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This commit is contained in:
Chris 2019-06-03 22:10:09 +01:00
parent e0e5b134d0
commit 42be4997fd
1 changed files with 19 additions and 1 deletions
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20
Webperl/Utils.pm
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@ -33,7 +33,7 @@ use strict;
our @ISA = qw(Exporter);
our @EXPORT = qw();
our @EXPORT_OK = qw(path_join resolve_path check_directory load_file save_file superchomp trimspace lead_zero string_in_array blind_untaint title_case sentence_case is_defined_numeric rfc822_date get_proc_size find_bin untaint_path read_pid write_pid hash_or_hashref array_or_arrayref join_complex);
our @EXPORT_OK = qw(path_join resolve_path check_directory load_file save_file superchomp trimspace lead_zero string_in_array blind_untaint title_case sentence_case is_defined_numeric rfc822_date get_proc_size find_bin untaint_path read_pid write_pid hash_or_hashref array_or_arrayref force_arrayref join_complex);
# ============================================================================
@ -482,6 +482,7 @@ sub hash_or_hashref {
return {};
}
## @fn $ array_or_arrayref(@args)
# Given a list of arguments, produce a reference to an array containing the
# arguments. If multiple values are present in @args, this returns a reference
@ -507,6 +508,23 @@ sub array_or_arrayref {
}
}
## @method $ force_arrayref($arg)
# Given either a scalar or an arrayref, convert ensure that the result is always
# an arrayref.
#
# @param arg Either a scalar or an arrayref
# @return Either the arrayref passed in, or an arrayref containing the argument.
sub force_arrayref {
my $arg = shift;
$arg = [ $arg ]
unless(ref $arg eq "ARRAY");
return $arg;
}
# ============================================================================
# OS specific functions