asgardius/virtualx-engine
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

Merge pull request #62118 from dalexeev/empty-array-any-all-docs

Browse source 
Clarify `all` and `any` documentation for empty arrays
This commit is contained in:
Rémi Verschelde 2022-06-16 23:58:20 +02:00 committed by GitHub
commit 2a92176e4c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
doc/classes/Array.xml
View file

@ -131,9 +131,10 @@
The callable's method should take one [Variant] parameter (the current array element) and return a boolean value.
[codeblock]
func _ready():
print([6, 10, 6].all(greater_than_5)) # Prints True (3 elements evaluate to `true`).
print([4, 10, 4].all(greater_than_5)) # Prints False (1 elements evaluate to `true`).
print([4, 4, 4].all(greater_than_5)) # Prints False (0 elements evaluate to `true`).
print([6, 10, 6].all(greater_than_5)) # Prints True (3/3 elements evaluate to `true`).
print([4, 10, 4].all(greater_than_5)) # Prints False (1/3 elements evaluate to `true`).
print([4, 4, 4].all(greater_than_5)) # Prints False (0/3 elements evaluate to `true`).
print([].all(greater_than_5)) # Prints True (0/0 elements evaluate to `true`).
print([6, 10, 6].all(func(number): return number > 5)) # Prints True. Same as the first line above, but using lambda function.
@ -142,6 +143,7 @@
[/codeblock]
See also [method any], [method filter], [method map] and [method reduce].
[b]Note:[/b] Unlike relying on the size of an array returned by [method filter], this method will return as early as possible to improve performance (especially with large arrays).
[b]Note:[/b] For an empty array, this method [url=https://en.wikipedia.org/wiki/Vacuous_truth]always[/url] returns [code]true[/code].
</description>
</method>
<method name="any" qualifiers="const">
@ -155,6 +157,7 @@
print([6, 10, 6].any(greater_than_5)) # Prints True (3 elements evaluate to `true`).
print([4, 10, 4].any(greater_than_5)) # Prints True (1 elements evaluate to `true`).
print([4, 4, 4].any(greater_than_5)) # Prints False (0 elements evaluate to `true`).
print([].any(greater_than_5)) # Prints False (0 elements evaluate to `true`).
print([6, 10, 6].any(func(number): return number &gt; 5)) # Prints True. Same as the first line above, but using lambda function.
@ -163,6 +166,7 @@
[/codeblock]
See also [method all], [method filter], [method map] and [method reduce].
[b]Note:[/b] Unlike relying on the size of an array returned by [method filter], this method will return as early as possible to improve performance (especially with large arrays).
[b]Note:[/b] For an empty array, this method always returns [code]false[/code].
</description>
</method>
<method name="append">