[nongnu] elpa/rust-mode 7ff04a8 337/486: Merge pull request #234 from jjwest/master

[ELPA Syncer]

branch: elpa/rust-mode
commit 7ff04a8d26104c2e2c0737e219b320ecaeaafd9d
Merge: f57a8eb 6550d94
Author: Tom Tromey <tom@tromey.com>
Commit: GitHub <noreply@github.com>

    Merge pull request #234 from jjwest/master
    
    Types get correct font-lock in if-let statements
---
 rust-mode-tests.el | 9 +++++++++
 rust-mode.el       | 6 +++---
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/rust-mode-tests.el b/rust-mode-tests.el
index aab82df..f0a73a2 100644
--- a/rust-mode-tests.el
+++ b/rust-mode-tests.el
@@ -1317,6 +1317,15 @@ list of substrings of `STR' each followed by its face."
      "mut" font-lock-keyword-face
      "bar" font-lock-variable-name-face)))
 
+(ert-deftest font-lock-if-let-binding ()
+  (rust-test-font-lock
+   "if let Some(var) = some_var { /* no-op */ }"
+   '("if" font-lock-keyword-face
+     "let" font-lock-keyword-face
+     "Some" font-lock-type-face
+     "/* " font-lock-comment-delimiter-face
+     "no-op */" font-lock-comment-face)))
+
 (ert-deftest font-lock-single-quote-character-literal ()
   (rust-test-font-lock
    "fn main() { let ch = '\\''; }"
diff --git a/rust-mode.el b/rust-mode.el
index 97b5c3c..72109e5 100644
--- a/rust-mode.el
+++ b/rust-mode.el
@@ -682,6 +682,9 @@ match data if found. Returns nil if not within a Rust 
string."
      ;; Field names like `foo:`, highlight excluding the :
      (,(concat (rust-re-grab rust-re-ident) ":[^:]") 1 
font-lock-variable-name-face)
 
+     ;; CamelCase Means Type Or Constructor
+     (,rust-re-type-or-constructor 1 font-lock-type-face)
+
      ;; Type-inferred binding
      (,(concat "\\_<\\(?:let\\|ref\\)\\s-+\\(?:mut\\s-+\\)?" (rust-re-grab 
rust-re-ident) "\\_>") 1 font-lock-variable-name-face)
 
@@ -694,9 +697,6 @@ match data if found. Returns nil if not within a Rust 
string."
      ;; Lifetimes like `'foo`
      (,(concat "'" (rust-re-grab rust-re-ident) "[^']") 1 
font-lock-variable-name-face)
 
-     ;; CamelCase Means Type Or Constructor
-     (,rust-re-type-or-constructor 1 font-lock-type-face)
-
      ;; Question mark operator
      ("\\?" . 'rust-question-mark-face)
      )