chore: reset working tree (v0.5)

Temporary commit clearing working tree for v0.6 rebuild

src/pid.rs

@@ -1,38 +0,0 @@
-//! Process identifiers.
-//!
-//! A `Pid` is `(index, generation)`. The index is a slot in the scheduler's
-//! actor table; the generation increments every time that slot is reused.
-//! A stale `Pid` (correct index, wrong generation) is a detectable error,
-//! not a silent misdirection — solves the ABA problem without exhausting
-//! the PID space.
-
-#[derive(Copy, Clone, PartialEq, Eq, Hash)]
-pub struct Pid {
-    index: u32,
-    generation: u32,
-}
-
-impl Pid {
-    #[inline]
-    pub const fn new(index: u32, generation: u32) -> Self {
-        Self { index, generation }
-    }
-
-    #[inline]
-    pub const fn index(self) -> u32 { self.index }
-
-    #[inline]
-    pub const fn generation(self) -> u32 { self.generation }
-}
-
-impl std::fmt::Debug for Pid {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "Pid({}.{})", self.index, self.generation)
-    }
-}
-
-impl std::fmt::Display for Pid {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "<{}.{}>", self.index, self.generation)
-    }
-}