Reduce visibility of some methods

Author: popzxc

crates/completion/src/completions.rs

@@ -45,11 +45,11 @@ impl Builder {
 }
 
 impl Completions {
-    pub fn add(&mut self, item: CompletionItem) {
+    pub(crate) fn add(&mut self, item: CompletionItem) {
         self.buf.push(item.into())
     }
 
-    pub fn add_all<I>(&mut self, items: I)
+    pub(crate) fn add_all<I>(&mut self, items: I)
     where
         I: IntoIterator,
         I::Item: Into<CompletionItem>,

crates/completion/src/completions/postfix/format_like.rs

@@ -70,7 +70,7 @@ fn string_literal_contents(item: &ast::String) -> Option<String> {
 /// Parser for a format-like string. It is more allowing in terms of string contents,
 /// as we expect variable placeholders to be filled with expressions.
 #[derive(Debug)]
-pub struct FormatStrParser {
+pub(crate) struct FormatStrParser {
     input: String,
     output: String,
     extracted_expressions: Vec<String>,