summaryrefslogtreecommitdiffstats
path: root/tests/ui/macros/rfc-3086-metavar-expr/required-feature.rs
diff options
context:
space:
mode:
Diffstat (limited to 'tests/ui/macros/rfc-3086-metavar-expr/required-feature.rs')
-rw-r--r--tests/ui/macros/rfc-3086-metavar-expr/required-feature.rs44
1 files changed, 44 insertions, 0 deletions
diff --git a/tests/ui/macros/rfc-3086-metavar-expr/required-feature.rs b/tests/ui/macros/rfc-3086-metavar-expr/required-feature.rs
new file mode 100644
index 000000000..b4fef11f1
--- /dev/null
+++ b/tests/ui/macros/rfc-3086-metavar-expr/required-feature.rs
@@ -0,0 +1,44 @@
+macro_rules! count {
+ ( $( $e:stmt ),* ) => {
+ ${ count(e) }
+ //~^ ERROR meta-variable expressions are unstable
+ };
+}
+
+macro_rules! dollar_dollar {
+ () => {
+ macro_rules! bar {
+ ( $$( $$any:tt )* ) => { $$( $$any )* };
+ //~^ ERROR meta-variable expressions are unstable
+ //~| ERROR meta-variable expressions are unstable
+ //~| ERROR meta-variable expressions are unstable
+ //~| ERROR meta-variable expressions are unstable
+ }
+ };
+}
+
+macro_rules! index {
+ ( $( $e:stmt ),* ) => {
+ $( ${ignore(e)} ${index()} )*
+ //~^ ERROR meta-variable expressions are unstable
+ //~| ERROR meta-variable expressions are unstable
+ };
+}
+
+macro_rules! ignore {
+ ( $( $i:stmt ),* ) => {{
+ 0 $( + 1 ${ignore(i)} )*
+ //~^ ERROR meta-variable expressions are unstable
+ }};
+}
+
+macro_rules! length {
+ ( $( $e:stmt ),* ) => {
+ $( ${ignore(e)} ${length()} )*
+ //~^ ERROR meta-variable expressions are unstable
+ //~| ERROR meta-variable expressions are unstable
+ };
+}
+
+fn main() {
+}