Replace generic list AST with typed expression tree

Each form (fn, let, for, set, do, call) now has its own variant with named fields instead of being a
plain list.

1 files changed, 4 insertions, 0 deletions

diff --git a/compiler/src/span.rs b/compiler/src/span.rs
index 8686f4f..8b46b31 100644
--- a/compiler/src/span.rs
+++ b/compiler/src/span.rs
@@ -38,6 +38,10 @@ impl<T> Spanned<T> {
         Self { inner, span }
     }
 
+    pub fn into_parts(self) -> (T, Span) {
+        (self.inner, self.span)
+    }
+
     pub fn map<U>(self, f: impl FnOnce(T) -> U) -> Spanned<U> {
         let Self { inner, span } = self;
         Spanned {