diff options
Diffstat (limited to 'src/dirty.rs')
-rw-r--r-- | src/dirty.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/dirty.rs b/src/dirty.rs new file mode 100644 index 0000000..fe6e4d1 --- /dev/null +++ b/src/dirty.rs @@ -0,0 +1,35 @@ +#[derive(PartialEq, Eq, Hash, Clone, Debug)] +pub struct DirtyBit(bool); + +pub trait Dirtyable { + fn get_bit(&self) -> &DirtyBit; + fn get_bit_mut(&mut self) -> &mut DirtyBit; + + fn is_dirty(&self) -> bool { + self.get_bit().0 + } + + fn set_dirty(&mut self) { + self.get_bit_mut().0 = true; + } + fn set_clean(&mut self) { + self.get_bit_mut().0 = false; + } +} + + +impl DirtyBit { + pub fn new() -> DirtyBit { + DirtyBit(false) + } +} + + +impl Dirtyable for DirtyBit { + fn get_bit(&self) -> &DirtyBit { + self + } + fn get_bit_mut(&mut self) -> &mut DirtyBit { + self + } +} |