diff options
Diffstat (limited to 'src/test/ui/issues/issue-31011.rs')
-rw-r--r-- | src/test/ui/issues/issue-31011.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-31011.rs b/src/test/ui/issues/issue-31011.rs new file mode 100644 index 000000000..4dead04c2 --- /dev/null +++ b/src/test/ui/issues/issue-31011.rs @@ -0,0 +1,29 @@ +macro_rules! log { + ( $ctx:expr, $( $args:expr),* ) => { + if $ctx.trace { + //~^ no field `trace` on type `&T` + println!( $( $args, )* ); + } + } +} + +// Create a structure. +struct Foo { + trace: bool, +} + +// Generic wrapper calls log! with a structure. +fn wrap<T>(context: &T) -> () +{ + log!(context, "entered wrapper"); + //~^ in this expansion of log! +} + +fn main() { + // Create a structure. + let x = Foo { trace: true }; + log!(x, "run started"); + // Apply a closure which accesses internal fields. + wrap(&x); + log!(x, "run finished"); +} |