more parser

tokenizer_test.zig

@@ -162,6 +162,29 @@ fn testTokenize(source: [:0]const u8, expected_token_tags: []const Token.Tag) !v
     try std.testing.expectEqual(source.len, last_token.loc.end);
 }
 
+test "my function" {
+    try testTokenize(
+        \\pub fn main() void {
+        \\    @panic("hello");
+        \\}
+        \\
+    , &.{
+        .keyword_pub,
+        .keyword_fn,
+        .identifier,
+        .l_paren,
+        .r_paren,
+        .identifier,
+        .l_brace,
+        .builtin,
+        .l_paren,
+        .string_literal,
+        .r_paren,
+        .semicolon,
+        .r_brace,
+    });
+}
+
 test "keywords" {
     try testTokenize("test const else", &.{ .keyword_test, .keyword_const, .keyword_else });
 }