commit c41add741dbe4a97fb04d5236ba91f87ca567b4e
author Jeremy Banks <_@jeremy.ca> Sat May 11 10:52:18 2019 -0400
committer Jeremy Banks <_@jeremy.ca> Sat May 11 11:07:51 2019 -0400
tree 5bc1079fa5173d1a4ece44f78119cc99f64f1e85
parent 320efb2ae98e815be196609d7ba600a78cf6727f

Add support for sorting named struct fields.

src/check.rs

diff --git a/src/check.rs b/src/check.rs
index 281c052..1b50442 100644
--- a/src/check.rs
+++ b/src/check.rs
@@ -1,5 +1,5 @@
 use syn::{Arm, Ident, Result, Variant};
-use syn::{Error, Pat, PatIdent};
+use syn::{Error, Field, Fields, Pat, PatIdent};
 
 use crate::compare::Path;
 use crate::format;
@@ -8,6 +8,13 @@
 pub fn sorted(input: Input) -> Result<()> {
     let paths = match input {
         Enum(item) => collect_paths(item.variants)?,
+        Struct(item) => {
+            if let Fields::Named(fields) = item.fields {
+                collect_paths(fields.named)?
+            } else {
+                unreachable!("must be named field")
+            }
+        }
         Match(expr) | Let(expr) => collect_paths(expr.arms)?,
     };
 
@@ -44,6 +51,14 @@
     }
 }
 
+impl IntoPath for Field {
+    fn into_path(self) -> Result<Path> {
+        Ok(Path {
+            segments: vec![self.ident.expect("must be named field")],
+        })
+    }
+}
+
 impl IntoPath for Arm {
     fn into_path(self) -> Result<Path> {
         // Sort by just the first pat.