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issue 174 #175

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merged 3 commits into from
Oct 8, 2024
Merged

issue 174 #175

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43e8b4d
issue 174
lemire Oct 7, 2024
c2536d3
fix
lemire Oct 7, 2024
2ba49f6
fix
lemire Oct 7, 2024
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14 changes: 11 additions & 3 deletions bitset.go
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Original file line number Diff line number Diff line change
Expand Up @@ -106,9 +106,17 @@ func From(buf []uint64) *BitSet {
return FromWithLength(uint(len(buf))*64, buf)
}

// FromWithLength constructs from an array of words and length.
func FromWithLength(len uint, set []uint64) *BitSet {
return &BitSet{len, set}
// FromWithLength constructs from an array of words and length in bits.
// This function is for advanced users, most users should prefer
// the From function.
// As a user of FromWithLength, you are responsible for ensuring
// that the length is correct: your slice should have length at
// least (length+63)/64 in 64-bit words.
func FromWithLength(length uint, set []uint64) *BitSet {
if len(set) < wordsNeeded(length) {
panic("BitSet.FromWithLength: slice is too short")
}
return &BitSet{length, set}
}

// Bytes returns the bitset as array of 64-bit words, giving direct access to the internal representation.
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