Feature #9174: value receiving block for Hash#has_key?

• Status: Open
• Priority: Normal
• Assignee: -
• Target version: -

[rits (First Last)]

Seems useful to be able to check for presence (as opposed to falsyness) and receive the value

class Hash
def has_key?(key, &block)
val = fetch(key){return false}
block.(val) if block
true
end
end

if h.has_key? :key do |val|
#
end; else
#
end