Add support for Rust + test case

Author: bergercookie

README.md

@@ -66,7 +66,7 @@ PHP        | :heavy_check_mark: | :heavy_check_mark:
 Python     | :heavy_check_mark: | :heavy_check_mark:
 R          | :heavy_check_mark: | :heavy_check_mark:
 Ruby       | :heavy_check_mark: | :heavy_check_mark:
-Rust       | :x:                | :x:
+Rust       | :heavy_check_mark: | :heavy_check_mark:
 Shell      | :heavy_check_mark: | :heavy_check_mark:
 Vim        | :heavy_check_mark: | :heavy_check_mark:
 

ftplugin/rs.vim

@@ -0,0 +1,9 @@
+function! s:DebugStringFunBase(desc, var)
+    let l:debug_str = 'println!("' . a:desc . ' {}", ' . a:var . ');'
+    return l:debug_str
+endfunc
+
+command! -buffer -nargs=0 AddDebugString
+            \ put=s:DebugStringFunBase(g:DebugstringPrefixStr(), g:debugStringCounter)
+command! -buffer -nargs=1 AddDebugStringExpr
+            \ put=s:DebugStringFunBase(<args> . ': ', <args>)

test/basic.vader

@@ -49,6 +49,8 @@ Execute (R):
   :set filetype=r
 Execute (Ruby):
   :set filetype=ruby
+Execute (Rust):
+  :set filetype=rs
 Execute (Shell):
   :set filetype=sh
 Execute (Vim):

test/ft/a.rs

@@ -0,0 +1,2 @@
+println!("[[Vader-workbench]:$1$] DEBUGGING STRING ==>  {}", $2$);
+println!("a**2 + b**2:  {}", a**2 + b**2);

test/run-tests.sh

@@ -5,5 +5,5 @@
 unset CDPATH
 
 cd "$(dirname "$(dirname "${BASH_SOURCE[0]}")")"
-vim -Nu test/vimrc -c 'Vader! test/*'
+command vim -Nu test/vimrc -c 'Vader! test/*'
 cd -