From d9d8a275681f764d0cc0abbe2beafca19ce3ddfa Mon Sep 17 00:00:00 2001
From: tijani <tijani@tijanilawal.com>
Date: Mon, 14 Aug 2023 22:39:08 +0000
Subject: [PATCH] puts()

Can now print out to STDOUT. puts() return NULL, its only business is to print.

git-svn-id: https://svn.tlawal.org/svn/monkey@66 f6afcba9-9ef1-4bdd-9b72-7484f5705bac
---
 evaluator/builtins.go | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/evaluator/builtins.go b/evaluator/builtins.go
index 064c580..21dd659 100644
--- a/evaluator/builtins.go
+++ b/evaluator/builtins.go
@@ -1,6 +1,9 @@
 package evaluator
 
-import "monkey/object"
+import(
+	"fmt"
+	"monkey/object"
+)
 
 var builtins = map[string]*object.Builtin{
 	"len": &object.Builtin{
@@ -17,4 +20,12 @@ var builtins = map[string]*object.Builtin{
 			}
 		},
 	},
+	"puts": &object.Builtin {
+		Fn: func(args ...object.Object) object.Object {
+			for _, arg := range args {
+				fmt.Println(arg.Inspect())
+			}
+			return NULL // puts only print things passed into it, it does not return a value when used in a function or such.
+		},
+	},
 }