44 lines
913 B
Nim
44 lines
913 B
Nim
from sequtils import anyIt
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template `?:`*(a, b: string): string =
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if len(a) > 0: a else: b
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template `?:`*(a: object, b: string): string =
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if a: $a else: b
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template `?:`*(a: ref, b): auto =
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if a != nil: a else: b
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template `?:`*(a, b: object): object =
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if a: a else: b
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template `?:`*(a, b): auto =
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if a: a else: b
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template `?.`*(a: ref, b: untyped): auto =
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if a != nil: a.b else: nil
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proc sameContents*[T](a1, a2: openArray[T]): bool =
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# Answers the question: do these two arrays contain the same contents,
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# regardless of their order?
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if a1.len != a2.len: return false
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for a in a1:
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if not a2.anyIt(a == it): return false
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return true
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template indexOf*(s, pred: untyped): int =
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var foundIdx = -1
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var idx = 0
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for it {.inject.} in items(s):
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if pred:
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foundIdx = idx
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break
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idx += 1
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foundIdx
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template doWhile*(a, b: untyped): untyped =
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b
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while a:
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b
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