Merge #4678

4678: Unsquish parameter types in tooltips for macro-generated functions r=aloucks a=aloucks

Note the missing whitespace between `:` and the parameter type.

Before:
![image](https://user-images.githubusercontent.com/221559/83364680-faf13d80-a370-11ea-96b7-a041969a4954.png)

After:
![image](https://user-images.githubusercontent.com/221559/83364685-03e20f00-a371-11ea-9668-4e6ebcb81947.png)


Co-authored-by: Aaron Loucks <[email protected]>

1 files changed, 1 insertions, 5 deletions

diff --git a/crates/test_utils/src/lib.rs b/crates/test_utils/src/lib.rs
index 1bd97215c..2141bfc20 100644
--- a/crates/test_utils/src/lib.rs
+++ b/crates/test_utils/src/lib.rs
@@ -15,6 +15,7 @@ use std::{
 };
 
 pub use ra_cfg::CfgOptions;
+use stdx::split1;
 
 pub use relative_path::{RelativePath, RelativePathBuf};
 pub use rustc_hash::FxHashMap;
@@ -332,11 +333,6 @@ fn parse_meta(meta: &str) -> FixtureMeta {
     FixtureMeta::File(FileMeta { path, crate_name: krate, deps, edition, cfg, env })
 }
 
-fn split1(haystack: &str, delim: char) -> Option<(&str, &str)> {
-    let idx = haystack.find(delim)?;
-    Some((&haystack[..idx], &haystack[idx + delim.len_utf8()..]))
-}
-
 /// Adjusts the indentation of the first line to the minimum indentation of the rest of the lines.
 /// This allows fixtures to start off in a different indentation, e.g. to align the first line with
 /// the other lines visually: