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diff --git a/archives/extend/2015-October/000557.html b/archives/extend/2015-October/000557.html new file mode 100644 index 00000000..6d8fb533 --- /dev/null +++ b/archives/extend/2015-October/000557.html @@ -0,0 +1,93 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <TITLE> [99s-extend] Cowboy: Maps instead of records for context variables + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20Cowboy%3A%20Maps%20instead%20of%20records%20for%20context%20variables&In-Reply-To=%3C56263F49.2000206%40llaisdy.com%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <style type="text/css"> + pre { + white-space: pre-wrap; /* css-2.1, curent FF, Opera, Safari */ + } + </style> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + + <LINK REL="Next" HREF="000558.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[99s-extend] Cowboy: Maps instead of records for context variables</H1> + <B>Ivan Uemlianin</B> + <A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20Cowboy%3A%20Maps%20instead%20of%20records%20for%20context%20variables&In-Reply-To=%3C56263F49.2000206%40llaisdy.com%3E" + TITLE="[99s-extend] Cowboy: Maps instead of records for context variables">ivan at llaisdy.com + </A><BR> + <I>Tue Oct 20 15:19:05 CEST 2015</I> + <P><UL> + + <LI>Next message: <A HREF="000558.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#557">[ date ]</a> + <a href="thread.html#557">[ thread ]</a> + <a href="subject.html#557">[ subject ]</a> + <a href="author.html#557">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Dear All + +Would there be any reason against using a map instead of a record for +the context variable in a Cowboy REST resource? + +Quite often I have a few resources doing very similar things in their +callbacks, and I'd like to abstract out the similarities into a module - +but I don't want to share a record between modules. + +Maps seem to be a good fit, and I can't think of any downside +(performance hit should be tiny). + +Can anyone give me reasons to stick with records? + +With thanks and best wishes + +Ivan + + +-- +============================================================ +Ivan A. Uemlianin PhD +Llaisdy +Speech Technology Research and Development + + <A HREF="https://lists.ninenines.eu/listinfo/extend">ivan at llaisdy.com</A> + @llaisdy + llaisdy.wordpress.com + github.com/llaisdy + www.linkedin.com/in/ivanuemlianin + + festina lente +============================================================ + +</PRE> + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + + <LI>Next message: <A HREF="000558.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#557">[ date ]</a> + <a href="thread.html#557">[ thread ]</a> + <a href="subject.html#557">[ subject ]</a> + <a href="author.html#557">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://lists.ninenines.eu/listinfo/extend">More information about the Extend +mailing list</a><br> +</body></html> diff --git a/archives/extend/2015-October/000558.html b/archives/extend/2015-October/000558.html new file mode 100644 index 00000000..87f3fdc2 --- /dev/null +++ b/archives/extend/2015-October/000558.html @@ -0,0 +1,87 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <TITLE> [99s-extend] Cowboy: Maps instead of records for context variables + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20Cowboy%3A%20Maps%20instead%20of%20records%20for%20context%0A%20variables&In-Reply-To=%3C5626401F.9050907%40ninenines.eu%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <style type="text/css"> + pre { + white-space: pre-wrap; /* css-2.1, curent FF, Opera, Safari */ + } + </style> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="000557.html"> + + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[99s-extend] Cowboy: Maps instead of records for context variables</H1> + <B>Loïc Hoguin</B> + <A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20Cowboy%3A%20Maps%20instead%20of%20records%20for%20context%0A%20variables&In-Reply-To=%3C5626401F.9050907%40ninenines.eu%3E" + TITLE="[99s-extend] Cowboy: Maps instead of records for context variables">essen at ninenines.eu + </A><BR> + <I>Tue Oct 20 15:22:39 CEST 2015</I> + <P><UL> + <LI>Previous message: <A HREF="000557.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A></li> + + <LI> <B>Messages sorted by:</B> + <a href="date.html#558">[ date ]</a> + <a href="thread.html#558">[ thread ]</a> + <a href="subject.html#558">[ subject ]</a> + <a href="author.html#558">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>On 10/20/2015 03:19 PM, Ivan Uemlianin wrote: +><i> Dear All +</I>><i> +</I>><i> Would there be any reason against using a map instead of a record for +</I>><i> the context variable in a Cowboy REST resource? +</I>><i> +</I>><i> Quite often I have a few resources doing very similar things in their +</I>><i> callbacks, and I'd like to abstract out the similarities into a module - +</I>><i> but I don't want to share a record between modules. +</I>><i> +</I>><i> Maps seem to be a good fit, and I can't think of any downside +</I>><i> (performance hit should be tiny). +</I>><i> +</I>><i> Can anyone give me reasons to stick with records? +</I> +The only reason to use records is to keep typespecs information to +improve Dialyzer's error reporting. + +Personally I have no problems going with just maps for all kinds of +states, even if they are in the same module. This is partly because I +rely a lot more on tests than on Dialyzer to tell me my program is wrong. + +Cheers, + +-- +Loïc Hoguin +<A HREF="http://ninenines.eu">http://ninenines.eu</A> +Author of The Erlanger Playbook, +A book about software development using Erlang +</PRE> + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000557.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A></li> + + <LI> <B>Messages sorted by:</B> + <a href="date.html#558">[ date ]</a> + <a href="thread.html#558">[ thread ]</a> + <a href="subject.html#558">[ subject ]</a> + <a href="author.html#558">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://lists.ninenines.eu/listinfo/extend">More information about the Extend +mailing list</a><br> +</body></html> diff --git a/archives/extend/2015-October/author.html b/archives/extend/2015-October/author.html new file mode 100644 index 00000000..9e3529fd --- /dev/null +++ b/archives/extend/2015-October/author.html @@ -0,0 +1,57 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <title>The Extend October 2015 Archive by author</title> + <META NAME="robots" CONTENT="noindex,follow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <a name="start"></A> + <h1>October 2015 Archives by author</h1> + <ul> + <li> <b>Messages sorted by:</b> + <a href="thread.html#start">[ thread ]</a> + <a href="subject.html#start">[ subject ]</a> + + <a href="date.html#start">[ date ]</a> + + <li><b><a href="https://lists.ninenines.eu/listinfo/extend">More info on this list... + </a></b></li> + </ul> + <p><b>Starting:</b> <i>Tue Oct 20 15:19:05 CEST 2015</i><br> + <b>Ending:</b> <i>Tue Oct 20 15:22:39 CEST 2015</i><br> + <b>Messages:</b> 2<p> + <ul> + +<LI><A HREF="000558.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A><A NAME="558"> </A> +<I>Loïc Hoguin +</I> + +<LI><A HREF="000557.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A><A NAME="557"> </A> +<I>Ivan Uemlianin +</I> + + </ul> + <p> + <a name="end"><b>Last message date:</b></a> + <i>Tue Oct 20 15:22:39 CEST 2015</i><br> + <b>Archived on:</b> <i>Tue Oct 20 15:22:18 CEST 2015</i> + <p> + <ul> + <li> <b>Messages sorted by:</b> + <a href="thread.html#start">[ thread ]</a> + <a href="subject.html#start">[ subject ]</a> + + <a href="date.html#start">[ date ]</a> + <li><b><a href="https://lists.ninenines.eu/listinfo/extend">More info on this list... + </a></b></li> + </ul> + <p> + <hr> + <i>This archive was generated by + Pipermail 0.09 (Mailman edition).</i> + </BODY> +</HTML> + diff --git a/archives/extend/2015-October/date.html b/archives/extend/2015-October/date.html new file mode 100644 index 00000000..c4931da1 --- /dev/null +++ b/archives/extend/2015-October/date.html @@ -0,0 +1,57 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <title>The Extend October 2015 Archive by date</title> + <META NAME="robots" CONTENT="noindex,follow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <a name="start"></A> + <h1>October 2015 Archives by date</h1> + <ul> + <li> <b>Messages sorted by:</b> + <a href="thread.html#start">[ thread ]</a> + <a href="subject.html#start">[ subject ]</a> + <a href="author.html#start">[ author ]</a> + + + <li><b><a href="https://lists.ninenines.eu/listinfo/extend">More info on this list... + </a></b></li> + </ul> + <p><b>Starting:</b> <i>Tue Oct 20 15:19:05 CEST 2015</i><br> + <b>Ending:</b> <i>Tue Oct 20 15:22:39 CEST 2015</i><br> + <b>Messages:</b> 2<p> + <ul> + +<LI><A HREF="000557.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A><A NAME="557"> </A> +<I>Ivan Uemlianin +</I> + +<LI><A HREF="000558.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A><A NAME="558"> </A> +<I>Loïc Hoguin +</I> + + </ul> + <p> + <a name="end"><b>Last message date:</b></a> + <i>Tue Oct 20 15:22:39 CEST 2015</i><br> + <b>Archived on:</b> <i>Tue Oct 20 15:22:18 CEST 2015</i> + <p> + <ul> + <li> <b>Messages sorted by:</b> + <a href="thread.html#start">[ thread ]</a> + <a href="subject.html#start">[ subject ]</a> + <a href="author.html#start">[ author ]</a> + + <li><b><a href="https://lists.ninenines.eu/listinfo/extend">More info on this list... + </a></b></li> + </ul> + <p> + <hr> + <i>This archive was generated by + Pipermail 0.09 (Mailman edition).</i> + </BODY> +</HTML> + diff --git a/archives/extend/2015-October/index.html b/archives/extend/2015-October/index.html new file mode 100644 index 00000000..03ab3275 --- /dev/null +++ b/archives/extend/2015-October/index.html @@ -0,0 +1,61 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <title>The Extend October 2015 Archive by thread</title> + <META NAME="robots" CONTENT="noindex,follow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <a name="start"></A> + <h1>October 2015 Archives by thread</h1> + <ul> + <li> <b>Messages sorted by:</b> + + <a href="subject.html#start">[ subject ]</a> + <a href="author.html#start">[ author ]</a> + <a href="date.html#start">[ date ]</a> + + <li><b><a href="https://lists.ninenines.eu/listinfo/extend">More info on this list... + </a></b></li> + </ul> + <p><b>Starting:</b> <i>Tue Oct 20 15:19:05 CEST 2015</i><br> + <b>Ending:</b> <i>Tue Oct 20 15:22:39 CEST 2015</i><br> + <b>Messages:</b> 2<p> + <ul> + +<!--0 01445347145.557- --> +<LI><A HREF="000557.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A><A NAME="557"> </A> +<I>Ivan Uemlianin +</I> + +<UL> +<!--1 01445347145.557-01445347359.558- --> +<LI><A HREF="000558.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A><A NAME="558"> </A> +<I>Loïc Hoguin +</I> + +</UL> + </ul> + <p> + <a name="end"><b>Last message date:</b></a> + <i>Tue Oct 20 15:22:39 CEST 2015</i><br> + <b>Archived on:</b> <i>Tue Oct 20 15:22:18 CEST 2015</i> + <p> + <ul> + <li> <b>Messages sorted by:</b> + + <a href="subject.html#start">[ subject ]</a> + <a href="author.html#start">[ author ]</a> + <a href="date.html#start">[ date ]</a> + <li><b><a href="https://lists.ninenines.eu/listinfo/extend">More info on this list... + </a></b></li> + </ul> + <p> + <hr> + <i>This archive was generated by + Pipermail 0.09 (Mailman edition).</i> + </BODY> +</HTML> + diff --git a/archives/extend/2015-October/subject.html b/archives/extend/2015-October/subject.html new file mode 100644 index 00000000..83befc6a --- /dev/null +++ b/archives/extend/2015-October/subject.html @@ -0,0 +1,57 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <title>The Extend October 2015 Archive by subject</title> + <META NAME="robots" CONTENT="noindex,follow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <a name="start"></A> + <h1>October 2015 Archives by subject</h1> + <ul> + <li> <b>Messages sorted by:</b> + <a href="thread.html#start">[ thread ]</a> + + <a href="author.html#start">[ author ]</a> + <a href="date.html#start">[ date ]</a> + + <li><b><a href="https://lists.ninenines.eu/listinfo/extend">More info on this list... + </a></b></li> + </ul> + <p><b>Starting:</b> <i>Tue Oct 20 15:19:05 CEST 2015</i><br> + <b>Ending:</b> <i>Tue Oct 20 15:22:39 CEST 2015</i><br> + <b>Messages:</b> 2<p> + <ul> + +<LI><A HREF="000557.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A><A NAME="557"> </A> +<I>Ivan Uemlianin +</I> + +<LI><A HREF="000558.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A><A NAME="558"> </A> +<I>Loïc Hoguin +</I> + + </ul> + <p> + <a name="end"><b>Last message date:</b></a> + <i>Tue Oct 20 15:22:39 CEST 2015</i><br> + <b>Archived on:</b> <i>Tue Oct 20 15:22:18 CEST 2015</i> + <p> + <ul> + <li> <b>Messages sorted by:</b> + <a href="thread.html#start">[ thread ]</a> + + <a href="author.html#start">[ author ]</a> + <a href="date.html#start">[ date ]</a> + <li><b><a href="https://lists.ninenines.eu/listinfo/extend">More info on this list... + </a></b></li> + </ul> + <p> + <hr> + <i>This archive was generated by + Pipermail 0.09 (Mailman edition).</i> + </BODY> +</HTML> + diff --git a/archives/extend/2015-October/thread.html b/archives/extend/2015-October/thread.html new file mode 100644 index 00000000..03ab3275 --- /dev/null +++ b/archives/extend/2015-October/thread.html @@ -0,0 +1,61 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <title>The Extend October 2015 Archive by thread</title> + <META NAME="robots" CONTENT="noindex,follow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <a name="start"></A> + <h1>October 2015 Archives by thread</h1> + <ul> + <li> <b>Messages sorted by:</b> + + <a href="subject.html#start">[ subject ]</a> + <a href="author.html#start">[ author ]</a> + <a href="date.html#start">[ date ]</a> + + <li><b><a href="https://lists.ninenines.eu/listinfo/extend">More info on this list... + </a></b></li> + </ul> + <p><b>Starting:</b> <i>Tue Oct 20 15:19:05 CEST 2015</i><br> + <b>Ending:</b> <i>Tue Oct 20 15:22:39 CEST 2015</i><br> + <b>Messages:</b> 2<p> + <ul> + +<!--0 01445347145.557- --> +<LI><A HREF="000557.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A><A NAME="557"> </A> +<I>Ivan Uemlianin +</I> + +<UL> +<!--1 01445347145.557-01445347359.558- --> +<LI><A HREF="000558.html">[99s-extend] Cowboy: Maps instead of records for context variables +</A><A NAME="558"> </A> +<I>Loïc Hoguin +</I> + +</UL> + </ul> + <p> + <a name="end"><b>Last message date:</b></a> + <i>Tue Oct 20 15:22:39 CEST 2015</i><br> + <b>Archived on:</b> <i>Tue Oct 20 15:22:18 CEST 2015</i> + <p> + <ul> + <li> <b>Messages sorted by:</b> + + <a href="subject.html#start">[ subject ]</a> + <a href="author.html#start">[ author ]</a> + <a href="date.html#start">[ date ]</a> + <li><b><a href="https://lists.ninenines.eu/listinfo/extend">More info on this list... + </a></b></li> + </ul> + <p> + <hr> + <i>This archive was generated by + Pipermail 0.09 (Mailman edition).</i> + </BODY> +</HTML> + |