rfc:noreturn_type

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
Next revisionBoth sides next revision
rfc:noreturn_type [2021/03/30 15:03] – mattbrownrfc:noreturn_type [2021/04/05 17:37] – levim
Line 9: Line 9:
 ===== Introduction ===== ===== Introduction =====
  
-There has been a trend over the past few years that concepts initially just expressed in PHP docblocks eventually become native PHP types. +There has been a trend over the past few years that concepts initially just expressed in PHP docblocks eventually become native PHP types. Past examples are: [[https://wiki.php.net/rfc/scalar_type_hints_v5|scalar typehints]], [[https://wiki.php.net/rfc/return_types|return types]], [[https://wiki.php.net/rfc/union_types_v2|union types]], [[https://wiki.php.net/rfc/mixed_type_v2|mixed types]], and [[https://wiki.php.net/rfc/static_return_type|static types]].
- +
-Past examples are: [[https://wiki.php.net/rfc/scalar_type_hints_v5|scalar typehints]], [[https://wiki.php.net/rfc/return_types|return types]], [[https://wiki.php.net/rfc/union_types_v2|union types]], [[https://wiki.php.net/rfc/mixed_type_v2|mixed types]], and [[https://wiki.php.net/rfc/static_return_type|static types]].+
  
 Our static analysis tools currently provide support for '' @return noreturn '' docblocks to denote functions that always ''throw'' or ''exit''. Users of these tools have found that syntax useful to describe the behaviour of their own code, but we think it’s even more useful as a native return type, where PHP compile-time and runtime type-checks can guarantee its behaviour. Our static analysis tools currently provide support for '' @return noreturn '' docblocks to denote functions that always ''throw'' or ''exit''. Users of these tools have found that syntax useful to describe the behaviour of their own code, but we think it’s even more useful as a native return type, where PHP compile-time and runtime type-checks can guarantee its behaviour.
Line 137: Line 135:
 </code> </code>
  
-Returning ''noreturn'' is also allowed in __toString methods:+Returning ''noreturn'' is also allowed in %%__%%toString methods:
  
 <code php> <code php>
Line 225: Line 223:
 ==== Naming ==== ==== Naming ====
  
-Naming is hard, but we believe ''noreturn'' is the best name for this type.+Naming is hard. We each have different preferences.
  
 Arguments for ''noreturn'': Arguments for ''noreturn'':
Line 257: Line 255:
    * No    * No
 </doodle> </doodle>
 +
 +Following vote requires simple majority:
  
 <doodle title="noreturn vs never" auth="mattbrown" voteType="single" closed="false"> <doodle title="noreturn vs never" auth="mattbrown" voteType="single" closed="false">
rfc/noreturn_type.txt · Last modified: 2021/04/19 09:31 by nikic

Page Tools