fix: Add dry run publish on CI and fix slow type errors (#207)

.github/workflows/test.yaml

@@ -29,3 +29,6 @@ jobs:
           name: mini-fn
           verbose: true
           fail_ci_if_error: false
+
+      - name: Dry run publish
+        run: deno publish --dry-run

src/binary-heap.ts

@@ -119,7 +119,7 @@ export const getMin = <S, T>(
 export const intoItems = <T>(heap: BinaryHeapInner<T>): readonly T[] =>
     heap.items;
 
-const parentOf = (index: number) => Math.floor((index - 1) / 2);
+const parentOf = (index: number): number => Math.floor((index - 1) / 2);
 const leftChildOf = (index: number) => 2 * index + 1;
 const rightChildOf = (index: number) => 2 * index + 2;
 

src/mut.ts

@@ -20,7 +20,7 @@ export type Thread<S> = { [threadNominal]: S };
 const wrapThread = <S, A>(dict: Map<MutRef<S, A>, MutVar<A>>): Thread<S> =>
     dict as unknown as Thread<S>;
 
-const newThreadVar = <A>(value: A) => {
+const newThreadVar = <A>(value: A): <S>(thread: Thread<S>) => MutRef<S, A> => {
     const newRefSym = Symbol();
     return <S>(thread: Thread<S>): MutRef<S, A> => {
         const newRef = newRefSym as unknown as MutRef<S, A>;