computer: convert stores to vecs part 1

crates/brk_computer/src/grouped/source.rs

@@ -0,0 +1,51 @@
+use brk_vec::BoxedAnyIterableVec;
+
+#[derive(Clone)]
+pub enum Source<I, T> {
+    Compute,
+    None,
+    Vec(BoxedAnyIterableVec<I, T>),
+}
+
+impl<I, T> Source<I, T> {
+    pub fn is_compute(&self) -> bool {
+        matches!(self, Self::Compute)
+    }
+
+    pub fn is_none(&self) -> bool {
+        matches!(self, Self::None)
+    }
+
+    pub fn is_vec(&self) -> bool {
+        matches!(self, Self::Vec(_))
+    }
+
+    pub fn vec(self) -> Option<BoxedAnyIterableVec<I, T>> {
+        match self {
+            Self::Vec(v) => Some(v),
+            _ => None,
+        }
+    }
+}
+
+impl<I, T> From<bool> for Source<I, T> {
+    fn from(value: bool) -> Self {
+        if value { Self::Compute } else { Self::None }
+    }
+}
+
+impl<I, T> From<BoxedAnyIterableVec<I, T>> for Source<I, T> {
+    fn from(value: BoxedAnyIterableVec<I, T>) -> Self {
+        Self::Vec(value)
+    }
+}
+
+impl<I, T> From<Option<BoxedAnyIterableVec<I, T>>> for Source<I, T> {
+    fn from(value: Option<BoxedAnyIterableVec<I, T>>) -> Self {
+        if let Some(v) = value {
+            Self::Vec(v)
+        } else {
+            Self::None
+        }
+    }
+}