rustdoc: Rename internal API fns to into_string

to avoid surprising listed in API guidelines.

Author: tesuji

Diff for: src/librustdoc/externalfiles.rs

@@ -37,14 +37,14 @@ impl ExternalHtml {
         let bc = format!(
             "{}{}",
             bc,
-            Markdown(&m_bc, &[], id_map, codes, edition, playground).to_string()
+            Markdown(&m_bc, &[], id_map, codes, edition, playground).into_string()
         );
         let ac = load_external_files(after_content, diag)?;
         let m_ac = load_external_files(md_after_content, diag)?;
         let ac = format!(
             "{}{}",
             ac,
-            Markdown(&m_ac, &[], id_map, codes, edition, playground).to_string()
+            Markdown(&m_ac, &[], id_map, codes, edition, playground).into_string()
         );
         Some(ExternalHtml { in_header: ih, before_content: bc, after_content: ac })
     }

Diff for: src/librustdoc/html/markdown.rs

@@ -13,7 +13,7 @@
 //! let s = "My *markdown* _text_";
 //! let mut id_map = IdMap::new();
 //! let md = Markdown(s, &[], &mut id_map, ErrorCodes::Yes, Edition::Edition2015, &None);
-//! let html = md.to_string();
+//! let html = md.into_string();
 //! // ... something using html
 //! ```
 
@@ -848,7 +848,7 @@ impl LangString {
 }
 
 impl Markdown<'_> {
-    pub fn to_string(self) -> String {
+    pub fn into_string(self) -> String {
         let Markdown(md, links, mut ids, codes, edition, playground) = self;
 
         // This is actually common enough to special-case
@@ -878,7 +878,7 @@ impl Markdown<'_> {
 }
 
 impl MarkdownWithToc<'_> {
-    pub fn to_string(self) -> String {
+    pub fn into_string(self) -> String {
         let MarkdownWithToc(md, mut ids, codes, edition, playground) = self;
 
         let p = Parser::new_ext(md, opts());
@@ -899,7 +899,7 @@ impl MarkdownWithToc<'_> {
 }
 
 impl MarkdownHtml<'_> {
-    pub fn to_string(self) -> String {
+    pub fn into_string(self) -> String {
         let MarkdownHtml(md, mut ids, codes, edition, playground) = self;
 
         // This is actually common enough to special-case
@@ -926,7 +926,7 @@ impl MarkdownHtml<'_> {
 }
 
 impl MarkdownSummaryLine<'_> {
-    pub fn to_string(self) -> String {
+    pub fn into_string(self) -> String {
         let MarkdownSummaryLine(md, links) = self;
         // This is actually common enough to special-case
         if md.is_empty() {

Diff for: src/librustdoc/html/markdown/tests.rs

@@ -134,7 +134,7 @@ fn test_header() {
     fn t(input: &str, expect: &str) {
         let mut map = IdMap::new();
         let output =
-            Markdown(input, &[], &mut map, ErrorCodes::Yes, DEFAULT_EDITION, &None).to_string();
+            Markdown(input, &[], &mut map, ErrorCodes::Yes, DEFAULT_EDITION, &None).into_string();
         assert_eq!(output, expect, "original: {}", input);
     }
 
@@ -166,7 +166,8 @@ fn test_header() {
 fn test_header_ids_multiple_blocks() {
     let mut map = IdMap::new();
     fn t(map: &mut IdMap, input: &str, expect: &str) {
-        let output = Markdown(input, &[], map, ErrorCodes::Yes, DEFAULT_EDITION, &None).to_string();
+        let output =
+            Markdown(input, &[], map, ErrorCodes::Yes, DEFAULT_EDITION, &None).into_string();
         assert_eq!(output, expect, "original: {}", input);
     }
 
@@ -228,7 +229,7 @@ fn test_markdown_html_escape() {
     fn t(input: &str, expect: &str) {
         let mut idmap = IdMap::new();
         let output =
-            MarkdownHtml(input, &mut idmap, ErrorCodes::Yes, DEFAULT_EDITION, &None).to_string();
+            MarkdownHtml(input, &mut idmap, ErrorCodes::Yes, DEFAULT_EDITION, &None).into_string();
         assert_eq!(output, expect, "original: {}", input);
     }
 

Diff for: src/librustdoc/html/render.rs

@@ -1894,7 +1894,7 @@ fn render_markdown(
             cx.shared.edition,
             &cx.shared.playground
         )
-        .to_string()
+        .into_string()
     )
 }
 
@@ -2184,7 +2184,7 @@ fn item_module(w: &mut Buffer, cx: &Context, item: &clean::Item, items: &[clean:
                        </tr>",
                     name = *myitem.name.as_ref().unwrap(),
                     stab_tags = stability_tags(myitem),
-                    docs = MarkdownSummaryLine(doc_value, &myitem.links()).to_string(),
+                    docs = MarkdownSummaryLine(doc_value, &myitem.links()).into_string(),
                     class = myitem.type_(),
                     add = add,
                     stab = stab.unwrap_or_else(String::new),
@@ -2277,7 +2277,7 @@ fn short_stability(item: &clean::Item, cx: &Context) -> Vec<String> {
                 cx.shared.edition,
                 &cx.shared.playground,
             );
-            message.push_str(&format!(": {}", html.to_string()));
+            message.push_str(&format!(": {}", html.into_string()));
         }
         stability.push(format!(
             "<div class='stab deprecated'><span class='emoji'>👎</span> {}</div>",
@@ -2331,7 +2331,7 @@ fn short_stability(item: &clean::Item, cx: &Context) -> Vec<String> {
                     cx.shared.edition,
                     &cx.shared.playground,
                 )
-                .to_string()
+                .into_string()
             );
         }
 
@@ -3631,7 +3631,7 @@ fn render_impl(
                     cx.shared.edition,
                     &cx.shared.playground
                 )
-                .to_string()
+                .into_string()
             );
         }
     }

Diff for: src/librustdoc/markdown.rs

@@ -68,9 +68,9 @@ pub fn render<P: AsRef<Path>>(
     let mut ids = IdMap::new();
     let error_codes = ErrorCodes::from(UnstableFeatures::from_environment().is_nightly_build());
     let text = if !options.markdown_no_toc {
-        MarkdownWithToc(text, &mut ids, error_codes, edition, &playground).to_string()
+        MarkdownWithToc(text, &mut ids, error_codes, edition, &playground).into_string()
     } else {
-        Markdown(text, &[], &mut ids, error_codes, edition, &playground).to_string()
+        Markdown(text, &[], &mut ids, error_codes, edition, &playground).into_string()
     };
 
     let err = write!(

Diff for: src/tools/error_index_generator/main.rs

@@ -127,7 +127,7 @@ impl Formatter for HTMLFormatter {
                         DEFAULT_EDITION,
                         &Some(playground)
                     )
-                    .to_string()
+                    .into_string()
                 )?
             }
             None => write!(output, "<p>No description.</p>\n")?,