Add Rust lang support

after/syntax/rust.vim

@@ -0,0 +1,33 @@
+if !exists('g:rust_conceal') || !has('conceal') || &enc != 'utf-8'
+	finish
+endif
+
+" For those who don't want to see `::`...
+if exists('g:rust_conceal_mod_path')
+	syn match rustNiceOperator "::" conceal cchar=ㆍ
+endif
+
+syn match rustRightArrowHead contained ">" conceal cchar= 
+syn match rustRightArrowTail contained "-" conceal cchar=⟶
+syn match rustNiceOperator "->" contains=rustRightArrowHead,rustRightArrowTail
+
+syn match rustFatRightArrowHead contained ">" conceal cchar= 
+syn match rustFatRightArrowTail contained "=" conceal cchar=⟹
+syn match rustNiceOperator "=>" contains=rustFatRightArrowHead,rustFatRightArrowTail
+
+syn match rustNiceOperator /\<\@!_\(_*\>\)\@=/ conceal cchar=′
+
+" For those who don't want to see `pub`...
+if exists('g:rust_conceal_pub')
+    syn match rustPublicSigil contained "pu" conceal cchar=＊
+    syn match rustPublicRest contained "b" conceal cchar= 
+    syn match rustNiceOperator "pub " contains=rustPublicSigil,rustPublicRest
+endif
+
+hi link rustNiceOperator Operator
+
+if !exists('g:rust_conceal_mod_path')
+    hi! link Conceal Operator
+endif
+
+setlocal conceallevel=2