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Diffstat (limited to 'src/librustc_data_structures')
| -rw-r--r-- | src/librustc_data_structures/bitvec.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/librustc_data_structures/bitvec.rs b/src/librustc_data_structures/bitvec.rs index 3700d46c346..ffcd25a4cdd 100644 --- a/src/librustc_data_structures/bitvec.rs +++ b/src/librustc_data_structures/bitvec.rs @@ -30,6 +30,10 @@ impl BitVector { } } + pub fn count(&self) -> usize { + self.data.iter().map(|e| e.count_ones() as usize).sum() + } + #[inline] pub fn contains(&self, bit: usize) -> bool { let (word, mask) = word_mask(bit); |