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| -rw-r--r-- | lib/system.nim | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/system.nim b/lib/system.nim index 978fae1a6..241b0bd03 100644 --- a/lib/system.nim +++ b/lib/system.nim @@ -422,10 +422,18 @@ proc incl*[T](x: var set[T], y: T) {.magic: "Incl", noSideEffect.} ## includes element ``y`` to the set ``x``. This is the same as ## ``x = x + {y}``, but it might be more efficient. +template incl*[T](s: var set[T], flags: set[T]) = + ## includes the set of flags to the set ``x``. + s = s + flags + proc excl*[T](x: var set[T], y: T) {.magic: "Excl", noSideEffect.} ## excludes element ``y`` to the set ``x``. This is the same as ## ``x = x - {y}``, but it might be more efficient. +template excl*[T](s: var set[T], flags: set[T]) = + ## excludes the set of flags to ``x``. + s = s - flags + proc card*[T](x: set[T]): int {.magic: "Card", noSideEffect.} ## returns the cardinality of the set ``x``, i.e. the number of elements ## in the set. |