<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/Users/m018/.cargo/registry/src/github.com-1ecc6299db9ec823/core-foundation-sys-0.8.4/src/number.rs`."><title>number.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-c4dbdcde0fbd8430.css" id="mainThemeStyle"><link rel="stylesheet" id="themeStyle" href="../../static.files/light-db279b6232be9c13.css"><link rel="stylesheet" disabled href="../../static.files/dark-cf923f49f397b216.css"><link rel="stylesheet" disabled href="../../static.files/ayu-be46fdc453a55015.css"><script src="../../static.files/storage-3891ce972e3a2bf8.js"></script><script defer src="../../static.files/source-script-1b95b7cca98b26e5.js"></script><script defer src="../../source-files.js"></script><script defer src="../../static.files/main-98a684e84ae5b08b.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-13285aec31fa243e.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><nav class="sub"><a class="sub-logo-container" href="../../core_foundation_sys/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><a href="#1" id="1">1</a>
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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 <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.
</span><span class="kw">use </span>std::os::raw::c_void;
<span class="kw">use </span>base::{CFAllocatorRef, CFTypeID, CFComparisonResult};
<span class="attr">#[repr(C)]
</span><span class="kw">pub struct </span>__CFBoolean(c_void);
<span class="kw">pub type </span>CFBooleanRef = <span class="kw-2">*const </span>__CFBoolean;
<span class="kw">pub type </span>CFNumberType = u32;
<span class="comment">// members of enum CFNumberType
</span><span class="kw">pub const </span>kCFNumberSInt8Type: CFNumberType = <span class="number">1</span>;
<span class="kw">pub const </span>kCFNumberSInt16Type: CFNumberType = <span class="number">2</span>;
<span class="kw">pub const </span>kCFNumberSInt32Type: CFNumberType = <span class="number">3</span>;
<span class="kw">pub const </span>kCFNumberSInt64Type: CFNumberType = <span class="number">4</span>;
<span class="kw">pub const </span>kCFNumberFloat32Type: CFNumberType = <span class="number">5</span>;
<span class="kw">pub const </span>kCFNumberFloat64Type: CFNumberType = <span class="number">6</span>;
<span class="kw">pub const </span>kCFNumberCharType: CFNumberType = <span class="number">7</span>;
<span class="kw">pub const </span>kCFNumberShortType: CFNumberType = <span class="number">8</span>;
<span class="kw">pub const </span>kCFNumberIntType: CFNumberType = <span class="number">9</span>;
<span class="kw">pub const </span>kCFNumberLongType: CFNumberType = <span class="number">10</span>;
<span class="kw">pub const </span>kCFNumberLongLongType: CFNumberType = <span class="number">11</span>;
<span class="kw">pub const </span>kCFNumberFloatType: CFNumberType = <span class="number">12</span>;
<span class="kw">pub const </span>kCFNumberDoubleType: CFNumberType = <span class="number">13</span>;
<span class="kw">pub const </span>kCFNumberCFIndexType: CFNumberType = <span class="number">14</span>;
<span class="kw">pub const </span>kCFNumberNSIntegerType: CFNumberType = <span class="number">15</span>;
<span class="kw">pub const </span>kCFNumberCGFloatType: CFNumberType = <span class="number">16</span>;
<span class="kw">pub const </span>kCFNumberMaxType: CFNumberType = <span class="number">16</span>;
<span class="comment">// This is an enum due to zero-sized types warnings.
// For more details see https://github.com/rust-lang/rust/issues/27303
</span><span class="kw">pub enum </span>__CFNumber {}
<span class="kw">pub type </span>CFNumberRef = <span class="kw-2">*const </span>__CFNumber;
<span class="kw">extern </span>{
<span class="comment">/*
* CFNumber.h
*/
</span><span class="kw">pub static </span>kCFBooleanTrue: CFBooleanRef;
<span class="kw">pub static </span>kCFBooleanFalse: CFBooleanRef;
<span class="kw">pub fn </span>CFBooleanGetTypeID() -> CFTypeID;
<span class="kw">pub fn </span>CFBooleanGetValue(boolean: CFBooleanRef) -> bool;
<span class="kw">pub fn </span>CFNumberCreate(allocator: CFAllocatorRef, theType: CFNumberType, valuePtr: <span class="kw-2">*const </span>c_void)
-> CFNumberRef;
<span class="comment">//fn CFNumberGetByteSize
</span><span class="kw">pub fn </span>CFNumberGetValue(number: CFNumberRef, theType: CFNumberType, valuePtr: <span class="kw-2">*mut </span>c_void) -> bool;
<span class="kw">pub fn </span>CFNumberCompare(date: CFNumberRef, other: CFNumberRef, context: <span class="kw-2">*mut </span>c_void) -> CFComparisonResult;
<span class="kw">pub fn </span>CFNumberGetTypeID() -> CFTypeID;
<span class="kw">pub fn </span>CFNumberGetType(number: CFNumberRef) -> CFNumberType;
}
<span class="attr">#[cfg(test)]
</span><span class="kw">mod </span>test {
<span class="kw">use super</span>::<span class="kw-2">*</span>;
<span class="attr">#[test]
</span><span class="kw">fn </span>match_for_type_id_should_be_backwards_compatible() {
<span class="kw">let </span>type_id = kCFNumberFloat32Type;
<span class="comment">// this is the old style of matching for static variables
</span><span class="kw">match </span>type_id {
vf64 <span class="kw">if </span>vf64 == kCFNumberFloat32Type => <span class="macro">assert!</span>(<span class="bool-val">true</span>),
<span class="kw">_ </span>=> <span class="macro">panic!</span>(<span class="string">"should not happen"</span>),
};
<span class="comment">// this is new new style of matching for consts
</span><span class="kw">match </span>type_id {
kCFNumberFloat32Type => <span class="macro">assert!</span>(<span class="bool-val">true</span>),
<span class="kw">_ </span>=> <span class="macro">panic!</span>(<span class="string">"should not happen"</span>),
};
}
}
</code></pre></div>
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