diff options
Diffstat (limited to 'pod/perldiag.pod')
| -rw-r--r-- | pod/perldiag.pod | 120 |
1 files changed, 48 insertions, 72 deletions
diff --git a/pod/perldiag.pod b/pod/perldiag.pod index 159b9ac0b6..2723231553 100644 --- a/pod/perldiag.pod +++ b/pod/perldiag.pod @@ -1959,14 +1959,6 @@ already been freed. (W unpack) You have applied the same modifier more than once after a type in a pack template. See L<perlfunc/pack>. -=item each on reference is experimental - -(S experimental::autoderef) C<each> with a scalar argument is experimental -and may change or be removed in a future Perl version. If you want to -take the risk of using this feature, simply disable this warning: - - no warnings "experimental::autoderef"; - =item elseif should be elsif (S syntax) There is no keyword "elseif" in Perl because Larry thinks @@ -2123,6 +2115,42 @@ L<perlrecharclass/Extended Bracketed Character Classes>. use feature "signatures"; sub foo ($left, $right) { ... } +=item Experimental each on scalar is now forbidden + +(F) An experimental feature added in Perl 5.14 allowed C<each> to be called +with a scalar argument. This experiment is considered unsuccessful, and has +been removed. The C<postderef> feature may meet your needs better. + +=item Experimental keys on scalar is now forbidden + +(F) An experimental feature added in Perl 5.14 allowed C<keys> to be called +with a scalar argument. This experiment is considered unsuccessful, and has +been removed. The C<postderef> feature may meet your needs better. + +=item Experimental push on scalar is now forbidden + +(F) An experimental feature added in Perl 5.14 allowed C<push> to be called +with a scalar argument. This experiment is considered unsuccessful, and has +been removed. The C<postderef> feature may meet your needs better. + +=item Experimental pop on scalar is now forbidden + +(F) An experimental feature added in Perl 5.14 allowed C<pop> to be called +with a scalar argument. This experiment is considered unsuccessful, and has +been removed. The C<postderef> feature may meet your needs better. + +=item Experimental shift on scalar is now forbidden + +(F) An experimental feature added in Perl 5.14 allowed C<shift> to be called +with a scalar argument. This experiment is considered unsuccessful, and has +been removed. The C<postderef> feature may meet your needs better. + +=item Experimental splice on scalar is now forbidden + +(F) An experimental feature added in Perl 5.14 allowed C<splice> to be called +with a scalar argument. This experiment is considered unsuccessful, and has +been removed. The C<postderef> feature may meet your needs better. + =item Experimental "%s" subs not enabled (F) To use lexical subs, you must first enable them: @@ -2131,6 +2159,18 @@ L<perlrecharclass/Extended Bracketed Character Classes>. use feature 'lexical_subs'; my sub foo { ... } +=item Experimental unshift on scalar is now forbidden + +(F) An experimental feature added in Perl 5.14 allowed C<unshift> to be called +with a scalar argument. This experiment is considered unsuccessful, and has +been removed. The C<postderef> feature may meet your needs better. + +=item Experimental values on scalar is now forbidden + +(F) An experimental feature added in Perl 5.14 allowed C<values> to be called +with a scalar argument. This experiment is considered unsuccessful, and has +been removed. The C<postderef> feature may meet your needs better. + =item Explicit blessing to '' (assuming package main) (W misc) You are blessing a reference to a zero length string. This has @@ -2961,14 +3001,6 @@ line. See L<perlrun> for more details. (P) The regular expression parser is confused. -=item keys on reference is experimental - -(S experimental::autoderef) C<keys> with a scalar argument is experimental -and may change or be removed in a future Perl version. If you want to -take the risk of using this feature, simply disable this warning: - - no warnings "experimental::autoderef"; - =item Label not found for "last %s" (F) You named a loop to break out of, but you're not currently in a loop @@ -4594,14 +4626,6 @@ fine from VMS' perspective, it's probably not what you intended. (F) The unpack format P must have an explicit size, not "*". -=item pop on reference is experimental - -(S experimental::autoderef) C<pop> with a scalar argument is experimental -and may change or be removed in a future Perl version. If you want to -take the risk of using this feature, simply disable this warning: - - no warnings "experimental::autoderef"; - =item POSIX class [:%s:] unknown in regex; marked by S<<-- HERE> in m/%s/ (F) The class in the character class [: :] syntax is unknown. The S<<-- HERE> @@ -4821,14 +4845,6 @@ the sub name and via the prototype attribute. The prototype in parentheses is useless, since it will be replaced by the prototype from the attribute before it's ever used. -=item push on reference is experimental - -(S experimental::autoderef) C<push> with a scalar argument is experimental -and may change or be removed in a future Perl version. If you want to -take the risk of using this feature, simply disable this warning: - - no warnings "experimental::autoderef"; - =item Quantifier follows nothing in regex; marked by S<<-- HERE> in m/%s/ (F) You started a regular expression with a quantifier. Backslash it if @@ -5353,14 +5369,6 @@ a positive integer, where the integer was the address of the reference. As of Perl 5.20.0 this is a fatal error, to allow future versions of Perl to use non-integer refs for more interesting purposes. -=item shift on reference is experimental - -(S experimental::autoderef) C<shift> with a scalar argument is experimental -and may change or be removed in a future Perl version. If you want to -take the risk of using this feature, simply disable this warning: - - no warnings "experimental::autoderef"; - =item shm%s not implemented (F) You don't have System V shared memory IPC on your system. @@ -5441,15 +5449,6 @@ end of the array, rather than past it. If this isn't what you want, try explicitly pre-extending the array by assigning $#array = $offset. See L<perlfunc/splice>. -=item splice on reference is experimental - -(S experimental::autoderef) C<splice> with a scalar argument -is experimental and may change or be removed in a future -Perl version. If you want to take the risk of using this -feature, simply disable this warning: - - no warnings "experimental::autoderef"; - =item Split loop (P) The split was looping infinitely. (Obviously, a split shouldn't @@ -5967,11 +5966,6 @@ certain type. Arrays must be @NAME or C<@{EXPR}>. Hashes must be %NAME or C<%{EXPR}>. No implicit dereferencing is allowed--use the {EXPR} forms as an explicit dereference. See L<perlref>. -=item Type of argument to %s must be unblessed hashref or arrayref - -(F) You called C<keys>, C<values> or C<each> with a scalar argument that -was not a reference to an unblessed hash or array. - =item umask not implemented (F) Your machine doesn't implement the umask function and you tried to @@ -6347,15 +6341,6 @@ on your system. think you didn't do that, check the #! line to see if it's supplying the bad switch on your behalf.) -=item unshift on reference is experimental - -(S experimental::autoderef) C<unshift> with a scalar argument -is experimental and may change or be removed in a future -Perl version. If you want to take the risk of using this -feature, simply disable this warning: - - no warnings "experimental::autoderef"; - =item Unsuccessful %s on filename containing newline (W newline) A file operation was attempted on a filename, and that @@ -6895,15 +6880,6 @@ C<defined> operator. longer than 1024 characters. The return value has been truncated to 1024 characters. -=item values on reference is experimental - -(S experimental::autoderef) C<values> with a scalar argument -is experimental and may change or be removed in a future -Perl version. If you want to take the risk of using this -feature, simply disable this warning: - - no warnings "experimental::autoderef"; - =item Variable "%s" is not available (W closure) During compilation, an inner named subroutine or eval is |