init repl with string passthru

eval/eval.go

@@ -0,0 +1,5 @@
+package eval
+
+func Eval(ast any) any {
+	return ast
+}

main.go

@@ -1,31 +1,29 @@
 package main
 
 import (
+	"bufio"
 	"fmt"
-	"mal-go/hash_map"
-	"mal-go/keyword"
-	"mal-go/list"
-	"mal-go/symbol"
-	"mal-go/vector"
+	"mal-go/eval"
+	"mal-go/print"
+	"mal-go/read"
+	"os"
+	"strings"
 )
 
 func main() {
-	myList := list.New(5)
-	myList = myList.Conj(6)
-	plus := symbol.Intern("clojure.core", "+")
-	myList = myList.Conj(plus)
-	fmt.Println(myList)
+	//repl
+	fmt.Println("mal-go pre-alpha")
+	reader := bufio.NewReader(os.Stdin)
+	for true {
+		fmt.Print("user=>")
+		input, _ := reader.ReadString('\n')
+		input = strings.TrimSpace(input)
 
-	baz := keyword.Intern("baz")
-	myMap := hash_map.New()
-	myMap = myMap.Conj("foo", "bar")
-	myMap = myMap.Conj(baz, 42)
-	myMap = myMap.Conj("fizz", "buzz")
-	fmt.Println(myMap)
-
-	myVec := vector.New()
-	myVec = myVec.Conj(plus)
-	myVec = myVec.Conj(1)
-	myVec = myVec.Conj(2)
-	fmt.Println(myVec)
+		if strings.Compare(input, "exit") == 0 {
+			return
+		}
+		ast := read.ReadString(input)
+		result := eval.Eval(ast)
+		print.Print(result)
+	}
 }

print/print.go

@@ -0,0 +1,10 @@
+package print
+
+import (
+	"fmt"
+	"mal-go/utils"
+)
+
+func Print(ast any) {
+	fmt.Println(utils.Stringify(ast))
+}

read/read.go

@@ -0,0 +1,5 @@
+package read
+
+func ReadString(s string) any {
+	return s
+}