arrayvec - cargo Package Compare versions

Comparing version 0.3.13 to 0.3.14

Cargo.toml

 [package]
 name = "arrayvec"
-version = "0.3.13"
+version = "0.3.14"
 authors = ["bluss"]
@@ -5,0 +5,0 @@ license = "MIT/Apache-2.0"

Makefile

 DOCCRATES = arrayvec nodrop odds
 
 # deps to delete the generated docs
-RMDOCS = unreachable void
+RMDOCS = 
 
@@ -6,0 +6,0 @@ FEATURES = odds/unstable

README.rst

@@ -25,2 +25,6 @@
 
+- 0.3.14
+
+  - Add ``ArrayString::from(&str)``
+
 - 0.3.13
@@ -27,0 +31,0 @@

src/array_string.rs

@@ -48,2 +48,20 @@ use std::borrow::Borrow;
 
+    /// Create a new `ArrayString` from a `str`.
+    ///
+    /// Capacity is inferred from the type parameter.
+    ///
+    /// ```
+    /// use arrayvec::ArrayString;
+    ///
+    /// let mut string = ArrayString::<[_; 3]>::from("foo").unwrap();
+    /// assert_eq!(&string[..], "foo");
+    /// assert_eq!(string.len(), 3);
+    /// assert_eq!(string.capacity(), 3);
+    /// ```
+    pub fn from(s: &str) -> Result<Self, CapacityError<&str>> {
+        let mut arraystr = Self::new();
+        try!(arraystr.push_str(s));
+        Ok(arraystr)
+    }
+
     /// Return the capacity of the `ArrayString`.
@@ -50,0 +68,0 @@ ///

tests/tests.rs

@@ -291,3 +291,2 @@ extern crate arrayvec;
 
-
     // Test Error trait / try
@@ -300,2 +299,7 @@ let t = || -> Result<(), Box<Error>> {
     assert!(t.is_err());
+
+	// Test `from` constructor
+    let u = ArrayString::<[_; 11]>::from(text).unwrap();
+    assert_eq!(&u, text);
+    assert_eq!(u.len(), text.len());
 }

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