protected abstract fun couple_at(key: nullable Object): nullable Couple[K, V]

core :: CoupleMap :: couple_at

Return the couple of the corresponding key

Return null if the key is no associated element

Property definitions

core $ CoupleMap :: couple_at 
	# Return the couple of the corresponding key
	# Return null if the key is no associated element
	protected fun couple_at(key: nullable Object): nullable Couple[K, V] is abstract
lib/core/collection/abstract_collection.nit:1276,2--1278,81

core $ ArrayMap :: couple_at 
	redef fun couple_at(key)
	do
		var i = index(key)
		if i >= 0 then
			return _items[i]
		else
			return null
		end
	end
lib/core/collection/array.nit:731,2--739,4
Nit standard library. Version v0.8-3595-g3f58b4f.