16 lines
348 B
GDScript3
16 lines
348 B
GDScript3
|
|
static func is_empty_() -> Callable:
|
||
|
|
# """Determines whether an observable sequence is empty.
|
||
|
|
#
|
||
|
|
# Returns:
|
||
|
|
# An observable sequence containing a single element
|
||
|
|
# determining whether the source sequence is empty.
|
||
|
|
# """
|
||
|
|
|
||
|
|
var mapper = func(b : bool) -> bool:
|
||
|
|
return not b
|
||
|
|
|
||
|
|
return GDRx.pipe.compose2(
|
||
|
|
GDRx.op.some(),
|
||
|
|
GDRx.op.map(mapper)
|
||
|
|
)
|