implement {} syntax for non-empty lists

1 files changed, 5 insertions, 1 deletions

diff --git a/neb/lexer.py b/neb/lexer.py
index 5b3fff1..e9142bb 100644
--- a/neb/lexer.py
+++ b/neb/lexer.py
@@ -21,7 +21,7 @@ keywords = {
 
 
 WHITESPACE = [" ", "\n", "\t"]
-SEPARATORS = WHITESPACE + [")", "]"]
+SEPARATORS = WHITESPACE + [")", "]", "}"]
 DIGITS = list("0123456789")
 
 def lex(data):
@@ -51,6 +51,10 @@ def lex(data):
             tokens.append(Token(TokenType.OPEN_BRACKET, "[", None, line))
         elif char == "]":
             tokens.append(Token(TokenType.CLOSE_BRACKET, "]", None, line))
+        elif char == "{":
+            tokens.append(Token(TokenType.OPEN_BRACE, "{", None, line))
+        elif char == "}":
+            tokens.append(Token(TokenType.CLOSE_BRACE, "}", None, line))
         elif char == ":":
             tokens.append(Token(TokenType.COLON, ":", None, line))
         # numbers