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change definition of list regarding is_list RFC

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orklah 2021-09-05 23:03:55 +02:00
parent 916b098b00
commit 4602e4ae22
1 changed files with 4 additions and 2 deletions
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docs/annotating_code/type_syntax/array_types.md
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@ -49,9 +49,11 @@ Generic arrays encompass both _associative arrays_ and _lists_.
(Psalm 3.6+)
Psalm supports a `list` type that represents continuous, integer-indexed arrays like `["red", "yellow", "blue"]` .
Psalm supports a `list` type that represents continuous, integer-indexed arrays like `["red", "yellow", "blue"]`.
These arrays have the property `$arr === array_values($arr)`, and represent a large percentage of all array usage in PHP applications.
A frequent way to create a list is with the `$arr[] =` notation.
These arrays will return true to `array_is_list($arr)`(PHP 8.1+) and represent a large percentage of all array usage in PHP applications.
A `list` type is of the form `list<SomeType>`, where `SomeType` is any permitted [union type](union_types.md) supported by Psalm.