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Mark unused mbe variable as Binding::Empty

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This commit is contained in:
Edwin Cheng 2019-05-04 01:14:25 +08:00
parent 26b4998114
commit 4ba4747578
2 changed files with 61 additions and 13 deletions
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13
crates/ra_mbe/src/tests.rs
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@ -1244,7 +1244,12 @@ fn test_cfg_if_main() {
$( ( ($($meta),*) ($($it)*) ), )*
( () ($($it2)*) ),
}
}
};
// Internal macro to Apply a cfg attribute to a list of items
(@__apply $m:meta, $($it:item)*) => {
$(#[$m] $it)*
};
}
"#,
);
@ -1262,6 +1267,12 @@ cfg_if ! {
}
"#,
"__cfg_if_items ! {() ; ((target_env = \"msvc\") ()) , ((all (target_arch = \"wasm32\" , not (target_os = \"emscripten\"))) ()) , (() (mod libunwind ; pub use libunwind :: * ;)) ,}");
assert_expansion(MacroKind::Items, &rules, r#"
cfg_if ! { @ __apply cfg ( all ( not ( any ( not ( any ( target_os = "solaris" , target_os = "illumos" ) ) ) ) ) ) , }
"#,
""
);
}
#[test]