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author | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2009-07-22 11:20:35 +0200 |
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committer | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2009-07-22 11:47:57 +0200 |
commit | 678ae90b5bfdcb408a7a5c2767d230d736624a6c (patch) | |
tree | dc6782e9ebf59c86c12095de348cae83397e5ed4 /pod/perlop.pod | |
parent | 16f708c9bc0dc48713b200031295a40bed83bbfc (diff) | |
download | perl-678ae90b5bfdcb408a7a5c2767d230d736624a6c.tar.gz |
Remove !!! and ??? operators
Those were adding non backwards compatible syntax, unlike "...",
as pointed out in bug #67646.
Diffstat (limited to 'pod/perlop.pod')
-rw-r--r-- | pod/perlop.pod | 29 |
1 files changed, 5 insertions, 24 deletions
diff --git a/pod/perlop.pod b/pod/perlop.pod index e6774303ee..23f62e09ab 100644 --- a/pod/perlop.pod +++ b/pod/perlop.pod @@ -813,14 +813,11 @@ between keys and values in hashes, and other paired elements in lists. %hash = ( $key => $value ); login( $username => $password ); -=head2 Yada Yada Operators -X<...> X<... operator> X<!!!> X<!!! operator> X<???> X<??? operator> -X<yada yada operator> +=head2 Yada Yada Operator +X<...> X<... operator> X<yada yada operator> -The yada yada operators are placeholders for code. They parse without error, -but when executed either throw an exception or a warning. - -The C<...> operator takes no arguments. When executed, it throws an exception +The yada yada operator (noted C<...>) is a placeholder for code. +It parses without error, but when executed it throws an exception with the text C<Unimplemented>: sub foo { ... } @@ -828,23 +825,7 @@ with the text C<Unimplemented>: Unimplemented at <file> line <line number>. -The C<!!!> operator is similar, but it takes one argument, a string to use as -the text of the exception: - - sub bar { !!! "Don't call me, Ishmael!" } - bar(); - - Don't call me, Ishmael! at <file> line <line number>. - -The C<???> operator also takes one argument, but it emits a warning instead of -throwing an exception: - - sub baz { ??? "Who are you? What do you want?" } - baz(); - say "Why are you here?"; - - Who are you? What do you want? at <file> line <line number>. - Why are you here? +It takes no argument. =head2 List Operators (Rightward) X<operator, list, rightward> X<list operator> |