+
+ fn is_empty(&self) -> bool { *self == 0 }
+ fn empty() -> Self { 0 }
+
+ fn add_bit(&mut self, bit: u32) {
+ *self |= 1 << bit as $name;
+ }
+ fn remove_bit(&mut self, bit: u32) {
+ *self &= !(1 << bit as $name);
+ }
+ fn has_bit(&self, bit: u32) -> bool {
+ (self & (1 << bit as $name)) != 0
+ }
+
+ fn count_ones(&self) -> u32 { (*self).count_ones() }
+ fn leading_zeros(&self) -> u32 { (*self).leading_zeros() }
+
+ fn count_remaining_ones(&self, cursor: u32) -> usize {
+ let left_mask =
+ !((1 as $name).checked_shl(cursor).unwrap_or(0).wrapping_sub(1));
+ (*self & left_mask).count_ones() as usize
+ }
+
+ fn from_u8(v: u8) -> Self { v as $name }
+ fn from_u16(v: u16) -> Self { v as $name }
+ fn from_u32(v: u32) -> Self { v as $name }
+ fn from_u64(v: u64) -> Self { v as $name }
+ fn from_u128(v: u128) -> Self { v as $name }
+ fn from_usize(v: usize) -> Self { v as $name }
+
+ fn to_u8(&self) -> u8 { (*self) as u8 }
+ fn to_u16(&self) -> u16 { (*self) as u16 }
+ fn to_u32(&self) -> u32 { (*self) as u32 }
+ fn to_u64(&self) -> u64 { (*self) as u64 }
+ fn to_u128(&self) -> u128 { (*self) as u128 }
+ fn to_usize(&self) -> usize { (*self) as usize }
+
+ fn from_u8_opt(v: u8) -> Option<Self> { v.try_into().ok() }
+ fn from_u16_opt(v: u16) -> Option<Self> { v.try_into().ok() }
+ fn from_u32_opt(v: u32) -> Option<Self> { v.try_into().ok() }
+ fn from_u64_opt(v: u64) -> Option<Self> { v.try_into().ok() }
+ fn from_u128_opt(v: u128) -> Option<Self> { v.try_into().ok() }
+ fn from_usize_opt(v: usize) -> Option<Self> { v.try_into().ok() }
+
+ fn to_u8_opt(&self) -> Option<u8> { (*self).try_into().ok() }
+ fn to_u16_opt(&self) -> Option<u16> { (*self).try_into().ok() }
+ fn to_u32_opt(&self) -> Option<u32> { (*self).try_into().ok() }
+ fn to_u64_opt(&self) -> Option<u64> { (*self).try_into().ok() }
+ fn to_u128_opt(&self) -> Option<u128> { (*self).try_into().ok() }
+ fn to_usize_opt(&self) -> Option<usize> { (*self).try_into().ok() }