date_component 0.4.8

the missed date_component with chrono. calculate date interval with chrono.
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</pre><pre class="rust"><code><span class="comment">// Copyright 2013-2015 The Servo Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 &lt;LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0&gt; or the MIT license
// &lt;LICENSE-MIT or http://opensource.org/licenses/MIT&gt;, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

</span><span class="kw">use </span>std::cmp::Ordering;
<span class="kw">use </span>std::os::raw::{c_uint, c_void, c_int};
<span class="kw">use </span>string::CFStringRef;

<span class="kw">pub type </span>Boolean = u8;
<span class="kw">pub type </span>mach_port_t = c_uint;
<span class="kw">pub type </span>CFAllocatorRef = <span class="kw-2">*const </span>c_void;
<span class="kw">pub type </span>CFNullRef = <span class="kw-2">*const </span>c_void;
<span class="kw">pub type </span>CFTypeRef = <span class="kw-2">*const </span>c_void;
<span class="kw">pub type </span>OSStatus = i32;
<span class="kw">pub type </span>SInt32 = c_int;
<span class="kw">pub type </span>CFTypeID = usize;
<span class="kw">pub type </span>CFOptionFlags = usize;
<span class="kw">pub type </span>CFHashCode = usize;
<span class="kw">pub type </span>CFIndex = isize;

<span class="attr">#[repr(isize)]
#[derive(Clone, Copy, Debug, PartialEq)]
</span><span class="kw">pub enum </span>CFComparisonResult {
    LessThan = -<span class="number">1</span>,
    EqualTo = <span class="number">0</span>,
    GreaterThan = <span class="number">1</span>,
}

<span class="kw">impl </span>Into&lt;Ordering&gt; <span class="kw">for </span>CFComparisonResult {
    <span class="kw">fn </span>into(<span class="self">self</span>) -&gt; Ordering {
        <span class="kw">match </span><span class="self">self </span>{
            CFComparisonResult::LessThan =&gt; Ordering::Less,
            CFComparisonResult::EqualTo =&gt; Ordering::Equal,
            CFComparisonResult::GreaterThan =&gt; Ordering::Greater
        }
    }
}

<span class="attr">#[repr(C)]
#[derive(Clone, Copy)]
</span><span class="kw">pub struct </span>CFRange {
    <span class="kw">pub </span>location: CFIndex,
    <span class="kw">pub </span>length: CFIndex
}

<span class="comment">// for back-compat
</span><span class="kw">impl </span>CFRange {
    <span class="kw">pub fn </span>init(location: CFIndex, length: CFIndex) -&gt; CFRange {
        CFRange {
            location: location,
            length: length,
        }
    }
}

<span class="kw">pub type </span>CFAllocatorRetainCallBack = <span class="kw">extern </span><span class="string">&quot;C&quot; </span><span class="kw">fn</span>(info: <span class="kw-2">*mut </span>c_void) -&gt; <span class="kw-2">*mut </span>c_void;
<span class="kw">pub type </span>CFAllocatorReleaseCallBack = <span class="kw">extern </span><span class="string">&quot;C&quot; </span><span class="kw">fn</span>(info: <span class="kw-2">*mut </span>c_void);
<span class="kw">pub type </span>CFAllocatorCopyDescriptionCallBack = <span class="kw">extern </span><span class="string">&quot;C&quot; </span><span class="kw">fn</span>(info: <span class="kw-2">*mut </span>c_void) -&gt; CFStringRef;
<span class="kw">pub type </span>CFAllocatorAllocateCallBack = <span class="kw">extern </span><span class="string">&quot;C&quot; </span><span class="kw">fn</span>(allocSize: CFIndex, hint: CFOptionFlags, info: <span class="kw-2">*mut </span>c_void) -&gt; <span class="kw-2">*mut </span>c_void;
<span class="kw">pub type </span>CFAllocatorReallocateCallBack = <span class="kw">extern </span><span class="string">&quot;C&quot; </span><span class="kw">fn</span>(ptr: <span class="kw-2">*mut </span>c_void, newsize: CFIndex, hint: CFOptionFlags, info: <span class="kw-2">*mut </span>c_void) -&gt; <span class="kw-2">*mut </span>c_void;
<span class="kw">pub type </span>CFAllocatorDeallocateCallBack = <span class="kw">extern </span><span class="string">&quot;C&quot; </span><span class="kw">fn</span>(ptr: <span class="kw-2">*mut </span>c_void, info: <span class="kw-2">*mut </span>c_void);
<span class="kw">pub type </span>CFAllocatorPreferredSizeCallBack = <span class="kw">extern </span><span class="string">&quot;C&quot; </span><span class="kw">fn</span>(size: CFIndex, hint: CFOptionFlags, info: <span class="kw-2">*mut </span>c_void) -&gt; CFIndex;

<span class="attr">#[repr(C)]
#[derive(Clone, Copy)]
</span><span class="kw">pub struct </span>CFAllocatorContext {
    <span class="kw">pub </span>version: CFIndex,
    <span class="kw">pub </span>info: <span class="kw-2">*mut </span>c_void,
    <span class="kw">pub </span>retain: <span class="prelude-ty">Option</span>&lt;CFAllocatorRetainCallBack&gt;,
    <span class="kw">pub </span>release: <span class="prelude-ty">Option</span>&lt;CFAllocatorReleaseCallBack&gt;,
    <span class="kw">pub </span>copyDescription: <span class="prelude-ty">Option</span>&lt;CFAllocatorCopyDescriptionCallBack&gt;,
    <span class="kw">pub </span>allocate: <span class="prelude-ty">Option</span>&lt;CFAllocatorAllocateCallBack&gt;,
    <span class="kw">pub </span>reallocate: <span class="prelude-ty">Option</span>&lt;CFAllocatorReallocateCallBack&gt;,
    <span class="kw">pub </span>deallocate: <span class="prelude-ty">Option</span>&lt;CFAllocatorDeallocateCallBack&gt;,
    <span class="kw">pub </span>preferredSize: <span class="prelude-ty">Option</span>&lt;CFAllocatorPreferredSizeCallBack&gt;
}

<span class="doccomment">/// Trait for all types which are Core Foundation reference types.
</span><span class="kw">pub trait </span>TCFTypeRef {
    <span class="kw">fn </span>as_void_ptr(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">*const </span>c_void;

    <span class="kw">unsafe fn </span>from_void_ptr(ptr: <span class="kw-2">*const </span>c_void) -&gt; <span class="self">Self</span>;
}

<span class="kw">impl</span>&lt;T&gt; TCFTypeRef <span class="kw">for </span><span class="kw-2">*const </span>T {
    <span class="kw">fn </span>as_void_ptr(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">*const </span>c_void {
        (<span class="kw-2">*</span><span class="self">self</span>) <span class="kw">as </span><span class="kw-2">*const </span>c_void
    }

    <span class="kw">unsafe fn </span>from_void_ptr(ptr: <span class="kw-2">*const </span>c_void) -&gt; <span class="self">Self </span>{
        ptr <span class="kw">as </span><span class="kw-2">*const </span>T
    }
}

<span class="kw">impl</span>&lt;T&gt; TCFTypeRef <span class="kw">for </span><span class="kw-2">*mut </span>T {
    <span class="kw">fn </span>as_void_ptr(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">*const </span>c_void {
        (<span class="kw-2">*</span><span class="self">self</span>) <span class="kw">as </span><span class="kw-2">*const </span>T <span class="kw">as </span><span class="kw-2">*const </span>c_void
    }

    <span class="kw">unsafe fn </span>from_void_ptr(ptr: <span class="kw-2">*const </span>c_void) -&gt; <span class="self">Self </span>{
        ptr <span class="kw">as </span><span class="kw-2">*const </span>T <span class="kw">as </span><span class="kw-2">*mut </span>T
    }
}

<span class="doccomment">/// Constant used by some functions to indicate failed searches.
</span><span class="kw">pub static </span>kCFNotFound: CFIndex = -<span class="number">1</span>;

<span class="kw">extern </span>{
    <span class="comment">/*
     * CFBase.h
     */

    /* CFAllocator Reference */

    </span><span class="kw">pub static </span>kCFAllocatorDefault: CFAllocatorRef;
    <span class="kw">pub static </span>kCFAllocatorSystemDefault: CFAllocatorRef;
    <span class="kw">pub static </span>kCFAllocatorMalloc: CFAllocatorRef;
    <span class="kw">pub static </span>kCFAllocatorMallocZone: CFAllocatorRef;
    <span class="kw">pub static </span>kCFAllocatorNull: CFAllocatorRef;
    <span class="kw">pub static </span>kCFAllocatorUseContext: CFAllocatorRef;

    <span class="kw">pub fn </span>CFAllocatorCreate(allocator: CFAllocatorRef, context: <span class="kw-2">*mut </span>CFAllocatorContext) -&gt; CFAllocatorRef;
    <span class="kw">pub fn </span>CFAllocatorAllocate(allocator: CFAllocatorRef, size: CFIndex, hint: CFOptionFlags) -&gt; <span class="kw-2">*mut </span>c_void;
    <span class="kw">pub fn </span>CFAllocatorDeallocate(allocator: CFAllocatorRef, ptr: <span class="kw-2">*mut </span>c_void);
    <span class="kw">pub fn </span>CFAllocatorGetPreferredSizeForSize(allocator: CFAllocatorRef, size: CFIndex, hint: CFOptionFlags) -&gt; CFIndex;
    <span class="kw">pub fn </span>CFAllocatorReallocate(allocator: CFAllocatorRef, ptr: <span class="kw-2">*mut </span>c_void, newsize: CFIndex, hint: CFOptionFlags) -&gt; <span class="kw-2">*mut </span>c_void;
    <span class="kw">pub fn </span>CFAllocatorGetDefault() -&gt; CFAllocatorRef;
    <span class="kw">pub fn </span>CFAllocatorSetDefault(allocator: CFAllocatorRef);
    <span class="kw">pub fn </span>CFAllocatorGetContext(allocator: CFAllocatorRef, context: <span class="kw-2">*mut </span>CFAllocatorContext);
    <span class="kw">pub fn </span>CFAllocatorGetTypeID() -&gt; CFTypeID;

    <span class="comment">/* CFNull Reference */

    </span><span class="kw">pub static </span>kCFNull: CFNullRef;

    <span class="comment">/* CFType Reference */

    //fn CFCopyTypeIDDescription
    //fn CFGetAllocator
    </span><span class="kw">pub fn </span>CFCopyDescription(cf: CFTypeRef) -&gt; CFStringRef;
    <span class="kw">pub fn </span>CFEqual(cf1: CFTypeRef, cf2: CFTypeRef) -&gt; Boolean;
    <span class="kw">pub fn </span>CFGetRetainCount(cf: CFTypeRef) -&gt; CFIndex;
    <span class="kw">pub fn </span>CFGetTypeID(cf: CFTypeRef) -&gt; CFTypeID;
    <span class="kw">pub fn </span>CFHash(cf: CFTypeRef) -&gt; CFHashCode;
    <span class="comment">//fn CFMakeCollectable
    </span><span class="kw">pub fn </span>CFRelease(cf: CFTypeRef);
    <span class="kw">pub fn </span>CFRetain(cf: CFTypeRef) -&gt; CFTypeRef;
    <span class="kw">pub fn </span>CFShow(obj: CFTypeRef);

    <span class="comment">/* Base Utilities Reference */
    // N.B. Some things missing here.
</span>}
</code></pre></div>
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