Add Rust snippets

snippets/rust-mode/display

@@ -0,0 +1,9 @@
+# -*- mode: snippet -*-
+# name: impl Display for Type { fn fmt (...) }
+# key: display
+# --
+impl Display for ${1:Type} {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "$0")
+    }
+}

snippets/rust-mode/from

@@ -0,0 +1,10 @@
+# -*- mode: snippet -*-
+# name: impl From<From> for Type { fn from(...) }
+# key: from
+# --
+impl From<${1:From}> for ${2:Type} {
+    fn from(source: $1) -> Self {
+       $0
+       Self { }
+    }
+}

snippets/rust-mode/fromstr

@@ -0,0 +1,11 @@
+# -*- mode: snippet -*-
+# name: impl FromStr for Type { fn from_str(...) }
+# key: fromstr
+# --
+impl FromStr for ${1:Type} {
+    type Err = ${2:Error};
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        Ok(Self{})
+    }
+}

snippets/rust-mode/result

@@ -0,0 +1,5 @@
+# -*- mode: snippet -*-
+# name: Result<Type, failure::Error>
+# key: result
+# --
+Result<${1:Type}, ${2:failure::Error}>