debian-packages/eventcore
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Define handles as properly named structs.

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Greatly enhances the readability of compiler error messages, as well as sometimes considerably reducing the size of symbol bloat.
This commit is contained in:
Sönke Ludwig 2018-12-28 00:41:18 +01:00
parent 91db8899c5
commit 8205258ee9
1 changed files with 17 additions and 16 deletions
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33
source/eventcore/driver.d
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@ -789,14 +789,15 @@ struct FileChange {
bool isDirectory; bool isDirectory;
} }
struct Handle(string NAME, T, T invalid_value = T.init) { mixin template Handle(string NAME, T, T invalid_value = T.init) {
import std.traits : isInstanceOf; static if (is(T.BaseType)) alias BaseType = T.BaseType;
static if (isInstanceOf!(.Handle, T)) alias BaseType = T.BaseType;
else alias BaseType = T; else alias BaseType = T;
alias name = NAME; alias name = NAME;
enum invalid = Handle.init; enum invalid = typeof(this).init;
nothrow @nogc @safe:
T value = invalid_value; T value = invalid_value;
@ -817,15 +818,15 @@ struct Handle(string NAME, T, T invalid_value = T.init) {
alias ThreadCallback = void function(intptr_t param) @safe nothrow; alias ThreadCallback = void function(intptr_t param) @safe nothrow;
alias FD = Handle!("fd", size_t, size_t.max); struct FD { mixin Handle!("fd", size_t, size_t.max); }
alias SocketFD = Handle!("socket", FD); struct SocketFD { mixin Handle!("socket", FD); }
alias StreamSocketFD = Handle!("streamSocket", SocketFD); struct StreamSocketFD { mixin Handle!("streamSocket", SocketFD); }
alias StreamListenSocketFD = Handle!("streamListen", SocketFD); struct StreamListenSocketFD { mixin Handle!("streamListen", SocketFD); }
alias DatagramSocketFD = Handle!("datagramSocket", SocketFD); struct DatagramSocketFD { mixin Handle!("datagramSocket", SocketFD); }
alias FileFD = Handle!("file", FD); struct FileFD { mixin Handle!("file", FD); }
alias EventID = Handle!("event", FD); struct EventID { mixin Handle!("event", FD); }
alias TimerID = Handle!("timer", size_t, size_t.max); struct TimerID { mixin Handle!("timer", size_t, size_t.max); }
alias WatcherID = Handle!("watcher", size_t, size_t.max); struct WatcherID { mixin Handle!("watcher", size_t, size_t.max); }
alias EventWaitID = Handle!("eventWait", size_t, size_t.max); struct EventWaitID { mixin Handle!("eventWait", size_t, size_t.max); }
alias SignalListenID = Handle!("signal", size_t, size_t.max); struct SignalListenID { mixin Handle!("signal", size_t, size_t.max); }
alias DNSLookupID = Handle!("dns", size_t, size_t.max); struct DNSLookupID { mixin Handle!("dns", size_t, size_t.max); }