Merge #3536

3536: Add get and set for `Env` r=matklad a=edwin0cheng

This PR add three things :

1. Add `get` and `set` in `Env`.
2. Implement fixture meta for `with_single_file`. 
3. Add `env` meta in fixture.

Co-authored-by: Edwin Cheng <[email protected]>

1 files changed, 10 insertions, 0 deletions

diff --git a/crates/ra_db/src/input.rs b/crates/ra_db/src/input.rs
index b77640b2b..1a1c64202 100644
--- a/crates/ra_db/src/input.rs
+++ b/crates/ra_db/src/input.rs
@@ -261,6 +261,16 @@ impl fmt::Display for Edition {
     }
 }
 
+impl Env {
+    pub fn set(&mut self, env: &str, value: String) {
+        self.entries.insert(env.to_owned(), value);
+    }
+
+    pub fn get(&self, env: &str) -> Option<String> {
+        self.entries.get(env).cloned()
+    }
+}
+
 #[derive(Debug)]
 pub struct ParseEditionError {
     invalid_input: String,