From f61677bbc3ae32cc460014cffe4d9ae9264291c5 Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Sun, 20 Aug 2023 11:29:07 +0530
Subject: feat: function declaration

---
 src/eval.ts   |  4 +++-
 src/parser.ts | 12 ++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/eval.ts b/src/eval.ts
index 26b3df0..e421d7a 100644
--- a/src/eval.ts
+++ b/src/eval.ts
@@ -245,7 +245,9 @@ const getFunctions = (
       return EvalValue.Void()
     },
 
-    _: () => Promise.reject(new Error('not supposed to be here')),
+    func: async () => EvalValue.Lazy(args),
+
+    _: () => Promise.reject(new Error(`Not implemented: ${name}`)),
   })
 }
 
diff --git a/src/parser.ts b/src/parser.ts
index 732e32a..eeb9acf 100644
--- a/src/parser.ts
+++ b/src/parser.ts
@@ -108,6 +108,18 @@ const exprParser: P.Parser<Expr> = P.or([
   identifierExprParser,
 ])
 
+export const parseExpr = (input: string): Expr => {
+  return match(exprParser(input), {
+    Ok: ({ value, input }) => {
+      if (input) throw new Error(`Aaaaaa. Input left: ${input}`)
+      return value
+    },
+    Err: e => {
+      throw e
+    },
+  })
+}
+
 const declarationParser = P.or([callExprParser, selectorExprParser])
 
 const multiDeclarationParser = P.sepBy(declarationParser, whitespace)
-- 
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