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instance method
Rational#-@
() -> ::Rational
-self → rational
rational.c
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VALUE
rb_rational_uminus(VALUE self)
{
const int unused = (RUBY_ASSERT(RB_TYPE_P(self, T_RATIONAL)), 0);
get_dat1(self);
(void)unused;
return f_rational_new2(CLASS_OF(self), rb_int_uminus(dat->num), dat->den);
}
Returns self, negated:
Example
-(1/3r) # => (-1/3) -(-1/3r) # => (1/3)