Method: ObjectSpace::WeakMap#key?

Defined in:
weakmap.c

#key?(key) ⇒ Boolean

Returns true if key is a key in self, otherwise false.

Returns:

  • (Boolean) 


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# File 'weakmap.c', line 586

static VALUE
wmap_has_key(VALUE self, VALUE key)
{
    return RBOOL(!UNDEF_P(wmap_lookup(self, key)));
}