Add support for Haskell and Rust autocompletion with a few fixes

nvim/init.vim

@@ -18,8 +18,6 @@ Plug 'LaTeX-Box-Team/LaTeX-Box'
 Plug 'easymotion/vim-easymotion'
 " Ctrl-P - Fuzzy file search
 Plug 'kien/ctrlp.vim'
-" Autocomplete for python
-Plug 'davidhalter/jedi-vim'
 " Remove extraneous whitespace when edit mode is exited
 Plug 'thirtythreeforty/lessspace.vim'
 " Status bar mods
@@ -36,6 +34,13 @@ Plug 'universal-ctags/ctags'
 Plug 'scrooloose/nerdcommenter'
 " Theme
 Plug 'sickill/vim-monokai'
+" Auto Completion with Deoplete
+Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
+" Autocomplete for Python
+Plug 'zchee/deoplete-jedi'
+" Autocomplete for Rust
+Plug 'sebastianmarkow/deoplete-rust'
+Plug 'rust-lang/rust.vim'
 
 " Initialize plugin system
 call plug#end()
@@ -70,9 +75,9 @@ set ruler               " Show the line and column numbers of the cursor.
 set number              " Show the line numbers on the left side.
 set formatoptions+=o    " Continue comment marker in new lines.
 set textwidth=0         " Hard-wrap long lines as you type them.
-set expandtab           " Insert spaces when TAB is pressed.
+"set expandtab          " Insert spaces when TAB is pressed.
 set tabstop=4           " Render TABs using this many spaces.
-set shiftwidth=2        " Indentation amount for < and > commands.
+set shiftwidth=4        " Indentation amount for < and > commands.
 
 set noerrorbells        " No beeps.
 set modeline            " Enable modeline.
@@ -126,6 +131,30 @@ nnoremap <Leader>w <c-w>w
 syntax enable
 colorscheme monokai
 
+" Key Bindings to help with terminal mode
+noremap <Esc> <C-\><C-n>
+nnoremap <A-h> <C-w>h
+nnoremap <A-j> <C-w>j
+nnoremap <A-k> <C-w>k
+nnoremap <A-l> <C-w>l
+
+" For Haskell
+let g:haskell_enable_quantification = 1   " to enable highlighting of `forall`
+let g:haskell_enable_recursivedo = 1      " to enable highlighting of `mdo` and `rec`
+let g:haskell_enable_arrowsyntax = 1      " to enable highlighting of `proc`
+let g:haskell_enable_pattern_synonyms = 1 " to enable highlighting of `pattern`
+let g:haskell_enable_typeroles = 1        " to enable highlighting of type roles
+let g:haskell_enable_static_pointers = 1  " to enable highlighting of `static`
+let g:haskell_backpack = 1                " to enable highlighting of backpack keywords
+
+" For Rust
+let g:deoplete#sources#rust#racer_binary='/home/sanchayan/.cargo/bin/racer'
+let g:deoplete#sources#rust#rust_source_path='/home/sanchayan/GitSource/rust/src'
+
+" Use deoplete.
+let g:deoplete#enable_at_startup = 1
+let g:deoplete#enable_smart_case = 1
+
 let g:airline#extensions#tabline#enabled = 2
 let g:airline#extensions#tabline#fnamemod = ':t'
 let g:airline#extensions#tabline#left_sep = ' '