Jonathan Worthington jnthn

MoarVM founder and architect. Raku compiler hacker. Leader at @edumentab in Prague. Interested in compilers and concurrency.

jnthn / ffs.c

Created March 8, 2017 12:09 — forked from bdw/ffs.c

cross-platform first set bit

	#include <stdio.h>
	#include <stdlib.h>

	#define MVMint32 int

	#ifdef __GNUC__
	#define FFS(x) __builtin_ffs(x)
	#elif defined(_MSC_VER)
	static __inline MVMint32 FFS(MVMint32 x) {
	MVMint32 i = 0;

jnthn / objhash.pl

Created February 14, 2012 13:31 — forked from moritz/objhash.pl

First experiments with

	class ObjHash {
	has %!keys handles (keys => 'values');
	has %!values handles <values elems>;
	method at_key(Mu $key) is rw {
	my $lkey = $key.WHICH;
	%!values.exists($lkey)
	?? %!values{$lkey}
	!! pir::setattribute__0PPsP(my $v, Scalar, '$!whence',
	-> {
	%!keys{$lkey} := $key;