" General-Purpose keybinds

" Space is the leader key when outside of insert mode.
let mapleader=" "

map <silent> <Leader>t :NERDTreeToggle<CR>
nnoremap <silent> <Leader>r :call NumberToggle()<CR>

" Pressing enter in command mode clears the current search highlighting until
" the next search.
nnoremap <silent> <CR> :noh<CR><CR>

" This one maps F5 to delete all trailing whitespace
nnoremap <silent> <F5> :let _s=@/<Bar>:%s/\s\+$//e<Bar>:let @/=_s<Bar>:nohl<CR>

" Togglable relative line numbering
function! NumberToggle()
  if(&relativenumber == 1)
    set norelativenumber
    set number
  else
    set relativenumber
  endif
endfunc

" <SPC>r will toggle relative line numbers.
nnoremap <silent> <Leader>r :call NumberToggle()<CR>