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dlitz/gist:1314989

Created October 26, 2011 00:36
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this is the test that happens for if, unless, etc.
Raw
gistfile1.txt
RTEST(value) returns true if the value is implicitly true
./ruby.h:
#define RTEST(v) (((VALUE)(v) & ~Qnil) != 0)
...
#define Qfalse ((VALUE)0)
#define Qtrue ((VALUE)2)
#define Qnil ((VALUE)4)
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