rust-mode: bug fix, consistency clean up + spawn

rust-mode/closure

@@ -4,4 +4,4 @@
 # --
 |${1:arguments}| {
        $0
-}
+}

rust-mode/deny!

@@ -2,4 +2,4 @@
 # name: #![deny(lint)]
 # key: deny!
 # --
-#![deny(${1:lint})]
+#![deny(${1:lint})]

rust-mode/println

@@ -2,4 +2,4 @@
 # name: println!("{}", value);
 # key: println
 # --
-println!("${1:{}}", ${2});
+println!("${1:{}}", $2);

rust-mode/spawn

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: spawn(proc() { ... });
+# key: spawn
+# --
+spawn(proc() {
+      $0
+});

rust-mode/test

@@ -4,5 +4,5 @@
 # --
 #[test]
 fn ${1:test_name}() {
-   ${2:()}
+   $0
 }

rust-mode/testmod

@@ -8,6 +8,6 @@ mod tests {
 
     #[test]
     fn ${1:test_name}() {
-       ${2:()}
+       $0
     }
-}
+}

rust-mode/whilel

@@ -2,6 +2,6 @@
 # name: while let pattern = expression { ... }
 # key: whilel
 # --
-while let ${1:pattern} = ${2:value} {
+while let ${1:pattern} = ${2:expression} {
       $0
-}
+}