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Diffstat (limited to 'doc/classes/Array.xml')
| -rw-r--r-- | doc/classes/Array.xml | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/doc/classes/Array.xml b/doc/classes/Array.xml index ef4f86f1a9..c149cdc0e4 100644 --- a/doc/classes/Array.xml +++ b/doc/classes/Array.xml @@ -123,6 +123,52 @@ </constructor> </constructors> <methods> + <method name="all" qualifiers="const"> + <return type="bool" /> + <argument index="0" name="method" type="Callable" /> + <description> + Calls the provided [Callable] on each element in the array and returns [code]true[/code] if the [Callable] returns [code]true[/code] for [i]all[/i] elements in the array. If the [Callable] returns [code]false[/code] for one array element or more, this method returns [code]false[/code]. + 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 (3/3 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. + + func greater_than_5(number): + return number > 5 + [/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"> + <return type="bool" /> + <argument index="0" name="method" type="Callable" /> + <description> + Calls the provided [Callable] on each element in the array and returns [code]true[/code] if the [Callable] returns [code]true[/code] for [i]one or more[/i] elements in the array. If the [Callable] returns [code]false[/code] for all elements in the array, this method returns [code]false[/code]. + 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].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 > 5)) # Prints True. Same as the first line above, but using lambda function. + + func greater_than_5(number): + return number > 5 + [/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"> <return type="void" /> <argument index="0" name="value" type="Variant" /> @@ -232,6 +278,7 @@ func remove_1(number): return number != 1 [/codeblock] + See also [method any], [method all], [method map] and [method reduce]. </description> </method> <method name="find" qualifiers="const"> @@ -333,6 +380,7 @@ func negate(number): return -number [/codeblock] + See also [method filter], [method reduce], [method any] and [method all]. </description> </method> <method name="max" qualifiers="const"> @@ -398,6 +446,7 @@ func sum(accum, number): return accum + number [/codeblock] + See also [method map], [method filter], [method any] and [method all]. </description> </method> <method name="remove_at"> |