Convert .md files to .toml files

a407f82 split features.toml into many
.md files with TOML frontmatters. This commit converts all .md files in
the data/ directory to .toml files so that they can be more easily
processed by other software.

Closes #30.

build.rs

@@ -6,12 +6,12 @@ use std::{
     default::Default,
     env,
     fmt::Debug,
-    io::{BufRead, BufReader, BufWriter, Write},
+    io::{BufWriter, Write},
     iter,
     path::Path,
 };
 
-use anyhow::{bail, Context as _};
+use anyhow::Context as _;
 use fs_err::{self as fs, DirEntry, File};
 use proc_macro2::{Ident, Span, TokenStream};
 use quote::{quote, ToTokens};
@@ -192,43 +192,18 @@ fn collect_features(
             continue;
         }
 
-        let slug = match file_name.strip_suffix(".md") {
+        let slug = match file_name.strip_suffix(".toml") {
             Some(basename) => basename.to_owned(),
             None => {
-                panic!("expected only .md files and version.toml in data/*, found `{}`", file_name,)
+                panic!(
+                    "expected only .toml files and version.toml in data/*, found `{}`",
+                    file_name,
+                )
             }
         };
-        let feature_file = BufReader::new(File::open(file.path())?);
-
-        let mut feature_file_lines = feature_file.lines();
-        let mut feature_file_frontmatter = String::new();
-        assert_eq!(
-            match feature_file_lines.next() {
-                Some(Ok(s)) => s,
-                _ => bail!("reading first line of data/{}/{} failed", dir_name, file_name),
-            },
-            "+++",
-            "expected frontmatter at the beginning of data/{}/{}",
-            dir_name,
-            file_name
-        );
-
-        loop {
-            match feature_file_lines.next() {
-                Some(Ok(s)) if s == "+++" => break,
-                Some(Ok(s)) => {
-                    feature_file_frontmatter += s.as_str();
-                    feature_file_frontmatter.push('\n');
-                }
-                _ => bail!("reading frontmatter of data/{}/{} failed", dir_name, file_name),
-            }
-        }
-
-        // TODO: Read file contents after frontmatter
 
-        let feature = toml::from_str(&feature_file_frontmatter).with_context(|| {
-            format!("deserializing frontmatter of data/{}/{}", dir_name, file_name)
-        })?;
+        let feature = toml::from_str(&fs::read_to_string(file.path())?)
+            .with_context(|| format!("deserializing of data/{}/{}", dir_name, file_name))?;
 
         features.push(FeatureData { slug, ..feature });
     }

data/1.0/associated_types.toml

@@ -0,0 +1,2 @@
+title = "associated types in traits"
+flag = "associated_types"

data/1.0/default_type_params.toml

@@ -0,0 +1,2 @@
+title = "type parameter defaults"
+flag = "default_type_params"

data/1.0/if_let.toml

@@ -0,0 +1,2 @@
+title = "`if let` expressions"
+flag = "if_let"

data/1.0/macro_rules.toml

@@ -0,0 +1,2 @@
+title = "`macro_rules!`"
+flag = "macro_rules"

data/1.0/slicing_syntax.toml

@@ -0,0 +1,2 @@
+title = "`&foo[a..b]` as slicing syntax"
+flag = "slicing_syntax"

data/1.0/struct_variant.toml

@@ -0,0 +1,2 @@
+title = "struct variants in enums"
+flag = "struct_variant"

data/1.0/tuple_indexing.toml

@@ -0,0 +1,2 @@
+title = "tuple indexing"
+flag = "tuple_indexing"

data/1.0/while_let.toml

@@ -0,0 +1,2 @@
+title = "`while let` expressions"
+flag = "while_let"

data/1.1/split_whitespace.toml

@@ -0,0 +1,3 @@
+title = "`str::split_whitespace`"
+rfc_id = 1054
+impl_pr_id = 24563

data/1.10/cstr_default.toml

@@ -0,0 +1,3 @@
+title = "`Default` implementation for `&CStr`"
+flag = "cstr_default"
+impl_pr_id = 32990

data/1.10/cstring_default.toml

@@ -0,0 +1,3 @@
+title = "`Default` implementation for `CString`"
+flag = "cstr_default"
+impl_pr_id = 32990

data/1.10/weak_new.toml

@@ -0,0 +1,3 @@
+title = "`sync::Weak::new`"
+flag = "downgraded_weak"
+impl_pr_id = 33699

data/1.11/nested_cfg_attr.toml

@@ -0,0 +1,2 @@
+title = "nested `cfg_attr` attributes"
+impl_pr_id = 34216

data/1.12/cfg_attr_path.toml

@@ -0,0 +1,2 @@
+title = "`cfg_attr` on `path` attributes"
+impl_pr_id = 34546

data/1.12/nested_macro_rules.toml

@@ -0,0 +1,2 @@
+title = "`macro_rules!` within `macro_rules!`"
+impl_pr_id = 34925

data/1.13/assert_ne.toml

@@ -0,0 +1,4 @@
+title = "`assert_ne!`"
+rfc_id = 1653
+impl_pr_id = 35074
+tracking_issue_id = 35073

data/1.13/debug_assert_ne.toml

@@ -0,0 +1,4 @@
+title = "`debug_assert_ne!`"
+rfc_id = 1653
+impl_pr_id = 35074
+tracking_issue_id = 35073

data/1.13/question_mark.toml

@@ -0,0 +1,7 @@
+title = "the `?` operator"
+flag = "question_mark"
+rfc_id = 243
+impl_pr_id = 31954
+tracking_issue_id = 31436
+stabilization_pr_id = 36995
+edition_guide_path = "rust-2018/error-handling-and-panics/the-question-mark-operator-for-easier-error-handling.html"

data/1.13/type_macros.toml

@@ -0,0 +1,3 @@
+title = "`macro_rules!` macros in type position"
+flag = "type_macros"
+tracking_issue_id = 27245

data/1.14/dotdot_in_tuple_patterns.toml

@@ -0,0 +1,5 @@
+title = "`..` in tuple (struct) patterns"
+flag = "dotdot_in_tuple_patterns"
+rfc_id = 1492
+tracking_issue_id = 33627
+stabilization_pr_id = 36843

data/1.14/fn_ptr_to_unsafe_fn_ptr.toml

@@ -0,0 +1,2 @@
+title = "`fn` pointer to `unsafe fn` pointer coercion"
+impl_pr_id = 37389

data/1.14/println_no_args.toml

@@ -0,0 +1,2 @@
+title = "`println!` without arguments"
+impl_pr_id = 36825

data/1.15/proc_macro_derive.toml

@@ -0,0 +1,4 @@
+title = "procedural derive macros (macros 1.1)"
+flag = "proc_macro"
+rfc_id = 1681
+tracking_issue_id = 35900

data/1.16/assoc_ty_struct_expr_pat.toml

@@ -0,0 +1,3 @@
+title = "associated types in struct expressions and patterns"
+tracking_issue_id = 37544
+stabilization_pr_id = 39282

data/1.16/self_struct_expr_pat.toml

@@ -0,0 +1,3 @@
+title = "`Self` in struct expressions and patterns"
+tracking_issue_id = 37544
+stabilization_pr_id = 39282

data/1.16/writeln_no_args.toml

@@ -0,0 +1,2 @@
+title = "`writeln!` without arguments"
+impl_pr_id = 38469

data/1.17/cell_non_copy.toml

@@ -0,0 +1,4 @@
+title = "`Cell` with non-`Copy` types"
+flag = "cell_non_copy"
+rfc_id = 1651
+impl_pr_id = 39793

data/1.17/field_init_shorthand.toml

@@ -0,0 +1,6 @@
+title = "field init shorthands (`x` for `x: x` in struct initializers)"
+flag = "field_init_shorthand"
+rfc_id = 1682
+tracking_issue_id = 37340
+stabilization_pr_id = 39761
+edition_guide_path = "rust-2018/data-types/field-init-shorthand.html"

data/1.17/static_in_const.toml

@@ -0,0 +1,6 @@
+title = "elision of `'static` lifetimes in `static`s and `const`s"
+flag = "static_in_const"
+rfc_id = 1623
+tracking_issue_id = 35897
+stabilization_pr_id = 39265
+edition_guide_path = "rust-2018/ownership-and-lifetimes/simpler-lifetimes-in-static-and-const.html"

data/1.17/static_recursion.toml

@@ -0,0 +1,4 @@
+title = "recursive static items"
+flag = "static_recursion"
+tracking_issue_id = 29719
+stabilization_pr_id = 40027

data/1.17/where_clauses_with_self.toml

@@ -0,0 +1,3 @@
+title = "`Self` in the where clause of trait impl's"
+rfc_id = 1647
+tracking_issue_id = 38864