instance method
ObjectSpace::WeakKeyMap#[]
(Key) -> Value?
map[key] → value
weakmap.c
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static VALUE
wkmap_aref(VALUE self, VALUE key)
{
VALUE obj = wkmap_lookup(self, key);
return !UNDEF_P(obj) ? obj : Qnil;
}
Returns the value associated with the given key if found.
If key is not found, returns nil.