module support

token/token.go

@@ -84,6 +84,8 @@ const (
 	ELSE     = "ELSE"
 	RETURN   = "RETURN"
 	WHILE    = "WHILE"
+	// IMPORT the `import` keyword (import)
+	IMPORT = "IMPORT"
 )
 
 var keywords = map[string]TokenType{
@@ -95,6 +97,7 @@ var keywords = map[string]TokenType{
 	"else":   ELSE,
 	"return": RETURN,
 	"while":  WHILE,
+	"import": IMPORT,
 }
 
 func LookupIdent(ident string) TokenType {