feat: adds try expression for error handlign

2 files changed, 9 insertions, 1 deletions

diff --git a/src/eval.ts b/src/eval.ts
index 91514b9..0be3de5 100644
--- a/src/eval.ts
+++ b/src/eval.ts
@@ -322,6 +322,14 @@ const getFunctions = (
       return EvalValue.String(dequotify(str || ''))
     },
 
+    try: async () => {
+      try {
+        return await evalExpr(args[0], actions)
+      } catch (e) {
+        return evalExpr(args[1], actions)
+      }
+    },
+
     _: () => Promise.reject(new Error(`Not implemented: ${name}`)),
   })
 }
diff --git a/src/parser.ts b/src/parser.ts
index eeb9acf..216c1bc 100644
--- a/src/parser.ts
+++ b/src/parser.ts
@@ -142,7 +142,7 @@ export const parseDeclarations = (input: string) =>
   )
 
 export const parse = (input: string): Array<Expr> => {
-  const res = P.many1(exprParser)(input.trim())
+  const res = P.sepBy(exprParser, P.or([comma, whitespace]))(input.trim())
   return match(res, {
     Ok: ({ value, input }) => {
       if (input) {