docs(vimdoc): add FloatWinConfig docs

doc/rustaceanvim.txt

@@ -150,7 +150,7 @@ RustaceanToolsOpts *RustaceanToolsOpts*
  {reload_workspace_from_cargo_toml?} (boolean) Automatically call `RustReloadWorkspace` when writing to a Cargo.toml file
  {hover_actions?} (RustaceanHoverActionsOpts) Options for hover actions
  {code_actions?} (RustaceanCodeActionOpts) Options for code actions
- {float_win_config?} (table)  Options applied to floating windows. See |api-win_config|.
+ {float_win_config?} (FloatWinConfig) Options applied to floating windows. See |api-win_config|.
  {create_graph?} (RustaceanCrateGraphConfig) Options for showing the crate graph based on graphviz and the dot
  {open_url?} (fun(url:string):nil) If set, overrides how to open URLs
  {rustc?} (RustcOpts) Options for `rustc`
@@ -168,6 +168,15 @@ RustaceanExecutorOpts *RustaceanExecutorOpts*
  {bufnr?} (integer) The buffer from which the executor was invoked.
 
 
+FloatWinConfig *FloatWinConfig*
+
+ Fields: ~
+ {open_split} ("horizontal"|"vertical")
+
+ See: ~
+ |vim.lsp.util.open_floating_preview.Opts|
+
+
 executor_alias *executor_alias*
 
  Type: ~

flake.nix

@@ -79,6 +79,7 @@
  plugins = luarc-plugins;
  disabled-diagnostics = [
  "undefined-doc-name"
+ "undefined-doc-class"
  "redundant-parameter"
  "invisible"
  ];

lua/rustaceanvim/config/init.lua

@@ -65,7 +65,7 @@ vim.g.rustaceanvim = vim.g.rustaceanvim
 ---@field reload_workspace_from_cargo_toml? boolean Automatically call `RustReloadWorkspace` when writing to a Cargo.toml file
 ---@field hover_actions? RustaceanHoverActionsOpts Options for hover actions
 ---@field code_actions? RustaceanCodeActionOpts Options for code actions
----@field float_win_config? table Options applied to floating windows. See |api-win_config|.
+---@field float_win_config? FloatWinConfig Options applied to floating windows. See |api-win_config|.
 ---@field create_graph? RustaceanCrateGraphConfig Options for showing the crate graph based on graphviz and the dot
 ---@field open_url? fun(url:string):nil If set, overrides how to open URLs
 ---@field rustc? RustcOpts Options for `rustc`
@@ -76,6 +76,10 @@ vim.g.rustaceanvim = vim.g.rustaceanvim
 ---@class RustaceanExecutorOpts
 ---@field bufnr? integer The buffer from which the executor was invoked.
 
+---@class FloatWinConfig
+---@field open_split 'horizontal' | 'vertical'
+---@see vim.lsp.util.open_floating_preview.Opts
+
 ---@alias executor_alias 'termopen' | 'quickfix' | 'toggleterm' | 'vimux' | 'neotest'
 
 ---@alias test_executor_alias executor_alias | 'background'