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Use maparg to check for previous mappings #52

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Use maparg to check for previous mappings #52

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8 changes: 6 additions & 2 deletions autoload/yankstack.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -161,8 +161,12 @@ function! yankstack#setup()
let word_characters = split("qwertyuiopasdfghjklzxcvbnm1234567890_", '\zs')

for key in g:yankstack_yank_keys
exec 'nnoremap <silent> <expr>' key '<SID>yank_with_key("' . key . '")'
exec 'xnoremap <silent> <expr>' key '<SID>yank_with_key("' . key . '")'
if maparg(key, "x") != ""
echom "The key " . key . " is already mapped as " . maparg(key, "x")
echom "See https://github.com/maxbrunsfeld/vim-yankstack/issues/18 for details"
endif
exec 'nnoremap <unique> <expr>' key '<SID>yank_with_key("' . key . '")'
exec 'xnoremap <unique> <expr>' key '<SID>yank_with_key("' . key . '")'
endfor

for key in paste_keys
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