autoload/lsp/codeaction.vim | 2 +-
 autoload/lsp/completion.vim | 2 +-

diff --git a/autoload/lsp/codeaction.vim b/autoload/lsp/codeaction.vim
index 2c1680e0cd84fff79b3f298e8b7c2aa2abd4d80b..3f103e7641ff36092c49beed5f95fec477e91699 100644
--- a/autoload/lsp/codeaction.vim
+++ b/autoload/lsp/codeaction.vim
@@ -83,7 +83,7 @@
   var choice: number
 
   if query =~ '^\d\+'	# digit
-    choice = str2nr(query)
+    choice = query->str2nr()
   elseif query =~ '^/'	# regex
     choice = 1 + util.Indexof(actions, (i, a) => a.title =~ query[1 : ])
   elseif query != ''	# literal string
diff --git a/autoload/lsp/completion.vim b/autoload/lsp/completion.vim
index f2e706f99f937736e8a3295859bf847c37d09d8b..643ea997e0241f3abd0f80a0858e24356f68bf3f 100644
--- a/autoload/lsp/completion.vim
+++ b/autoload/lsp/completion.vim
@@ -117,7 +117,7 @@   call UltiSnips#SnippetsInCurrentScope(1)
   for key in matchfuzzy(g:current_ulti_dict_info->keys(), prefix)
     var item = g:current_ulti_dict_info[key]
     var parts = split(item.location, ':')
-    var txt = readfile(parts[0])[str2nr(parts[1]) : str2nr(parts[1]) + 20]
+    var txt = parts[0]->readfile()[parts[1]->str2nr() : parts[1]->str2nr() + 20]
     var restxt = item.description .. "\n\n"
     for line in txt
       if line == "" || line[0 : 6] == "snippet"