29 lines
790 B
GDScript
29 lines
790 B
GDScript
static func first_only(x : Array):
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if x.is_empty():
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return SequenceContainsNoElementsError.raise()
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return x[0]
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static func min_(
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comparer = null
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) -> Callable:
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# """The `min` operator.
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#
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# Returns the minimum element in an observable sequence according to
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# the optional comparer else a default greater than less than check.
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#
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# Examples:
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# >>> var res = source.pipe1(GDRx.op.min())
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# >>> var res = source.pipe1(GDRx.op.min(func(x, y): return x.value - y.value))
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#
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# Args:
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# comparer: [Optional] Comparer used to compare elements.
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#
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# Returns:
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# An observable sequence containing a single element
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# with the minimum element in the source sequence.
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# """
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return GDRx.pipe.compose2(
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GDRx.op.min_by(GDRx.basic.identity, comparer),
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GDRx.op.map(func(x): return first_only(x))
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)
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