mirror of https://github.com/waku-org/nwaku.git
36 lines
865 B
Nim
36 lines
865 B
Nim
import std/tables,
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stew/objects,
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stew/templateutils
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template keepItIf*[A, B](tableParam: var Table[A, B], itPredicate: untyped) =
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bind evalTemplateParamOnce
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evalTemplateParamOnce(tableParam, t):
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var itemsToDelete: seq[A]
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var key {.inject.} : A
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var val {.inject.} : B
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for k, v in t.mpairs():
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key = k
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val = v
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if not itPredicate:
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itemsToDelete.add(key)
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for item in itemsToDelete:
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t.del(item)
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template keepItIf*[A, B](tableParam: var TableRef[A, B], itPredicate: untyped) =
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bind evalTemplateParamOnce
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evalTemplateParamOnce(tableParam, t):
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var itemsToDelete: seq[A]
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let key {.inject.} : A
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let val {.inject.} : B
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for k, v in t[].mpairs():
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key = k
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val = v
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if not itPredicate:
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itemsToDelete.add(key)
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for item in itemsToDelete:
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t[].del(item)
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