Change Runnable.bin -> Runnable.kind

As per matklad, we now pass the responsibility for finding the binary to the frontend.
Also, added caching for finding the binary path to reduce
the amount of filesystem interactions.

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/dev/lsp-extensions.md b/docs/dev/lsp-extensions.md
index dbc95be38..d06da355d 100644
--- a/docs/dev/lsp-extensions.md
+++ b/docs/dev/lsp-extensions.md
@@ -417,7 +417,7 @@ interface Runnable {
     /// The label to show in the UI.
     label: string;
     /// The following fields describe a process to spawn.
-    bin: string;
+    kind: "cargo" | "rustc" | "rustup";
     args: string[];
     /// Args for cargo after `--`.
     extraArgs: string[];