diff options
Diffstat (limited to 'src/libsyntax/util/parser_testing.rs')
| -rw-r--r-- | src/libsyntax/util/parser_testing.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libsyntax/util/parser_testing.rs b/src/libsyntax/util/parser_testing.rs index c1ea8f60b82..83bbff8473d 100644 --- a/src/libsyntax/util/parser_testing.rs +++ b/src/libsyntax/util/parser_testing.rs @@ -31,7 +31,9 @@ pub fn string_to_parser<'a>(ps: &'a ParseSess, source_str: String) -> Parser<'a> source_str) } -fn with_error_checking_parse<T>(s: String, f: |&mut Parser| -> T) -> T { +fn with_error_checking_parse<T, F>(s: String, f: F) -> T where + F: FnOnce(&mut Parser) -> T, +{ let ps = new_parse_sess(); let mut p = string_to_parser(&ps, s); let x = f(&mut p); |