Use encode_utf8 from crate odds

Cargo.toml

@@ -11,7 +11,7 @@ repository = "https://github.com/bluss/arrayvec"
 keywords = ["stack", "vector", "array", "data-structure", "no_std"]
 
 [dependencies.odds]
-version = "0.2.12"
+version = "0.2.23"
 default-features = false
 
 [dependencies.nodrop]

src/array_string.rs

@@ -10,7 +10,7 @@ use std::slice;
 use array::Array;
 use array::Index;
 use CapacityError;
-use char_ext::encode_utf8;
+use odds::char::encode_utf8;
 
 /// A string with a fixed capacity.
 ///

src/char_ext.rs

@@ -1,52 +0,0 @@
-// Copyright 2012-2016 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-//
-// Original authors: alexchrichton
-
-
-// UTF-8 ranges and tags for encoding characters
-const TAG_CONT: u8    = 0b1000_0000;
-const TAG_TWO_B: u8   = 0b1100_0000;
-const TAG_THREE_B: u8 = 0b1110_0000;
-const TAG_FOUR_B: u8  = 0b1111_0000;
-const MAX_ONE_B: u32   =     0x80;
-const MAX_TWO_B: u32   =    0x800;
-const MAX_THREE_B: u32 =  0x10000;
-
-/// Placeholder
-pub struct EncodeError;
-
-/// Encode a char into buf
-#[inline]
-pub fn encode_utf8(ch: char, buf: &mut [u8]) -> Result<usize, EncodeError>
-{
-    let code = ch as u32;
-    if code < MAX_ONE_B && buf.len() >= 1 {
-        buf[0] = code as u8;
-        return Ok(1);
-    } else if code < MAX_TWO_B && buf.len() >= 2 {
-        buf[0] = (code >> 6 & 0x1F) as u8 | TAG_TWO_B;
-        buf[1] = (code & 0x3F) as u8 | TAG_CONT;
-        return Ok(2);
-    } else if code < MAX_THREE_B && buf.len() >= 3 {
-        buf[0] = (code >> 12 & 0x0F) as u8 | TAG_THREE_B;
-        buf[1] = (code >>  6 & 0x3F) as u8 | TAG_CONT;
-        buf[2] = (code & 0x3F) as u8 | TAG_CONT;
-        return Ok(3);
-    } else if buf.len() >= 4 {
-        buf[0] = (code >> 18 & 0x07) as u8 | TAG_FOUR_B;
-        buf[1] = (code >> 12 & 0x3F) as u8 | TAG_CONT;
-        buf[2] = (code >>  6 & 0x3F) as u8 | TAG_CONT;
-        buf[3] = (code & 0x3F) as u8 | TAG_CONT;
-        return Ok(4);
-    };
-    Err(EncodeError)
-}
-

src/lib.rs

@@ -56,7 +56,6 @@ use nodrop::NoDrop;
 
 mod array;
 mod array_string;
-mod char_ext;
 
 pub use array::Array;
 pub use odds::IndexRange as RangeArgument;