Intersection types #28
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thekid
commented
Aug 2, 2021
| continue; | ||
| $t->components[]= $this->type0($parse, false); | ||
| } while ('|' === $parse->token->value); | ||
| } else if ('&' === $parse->token->value) { |
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The RFC states:
This means it would not be possible to mix intersection and union types together such as A&B|C, this is left as a future scope.
This is why it's OK to check for | and for & but not to check for the respective other after parsing
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Implements syntactic support for intersection types:
See xp-framework/compiler#117 and https://wiki.php.net/rfc/pure-intersection-types