From e7dc56273f07066e2b4da1c02e3f723b8da834a0 Mon Sep 17 00:00:00 2001 From: Leslie Zhang Date: Mon, 23 Nov 2015 09:14:49 +0800 Subject: [PATCH] Replace Hash#has_key? with Hash#key? 1. Replace Hash#has_key? with Hash#key? 2. Replace Hash#has_value? with Hash#value? --- ruby.html.markdown | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/ruby.html.markdown b/ruby.html.markdown index 243f788b..cf1a18e3 100644 --- a/ruby.html.markdown +++ b/ruby.html.markdown @@ -230,8 +230,8 @@ new_hash = { defcon: 3, action: true } new_hash.keys #=> [:defcon, :action] # Check existence of keys and values in hash -new_hash.has_key?(:defcon) #=> true -new_hash.has_value?(3) #=> true +new_hash.key?(:defcon) #=> true +new_hash.value?(3) #=> true # Tip: Both Arrays and Hashes are Enumerable # They share a lot of useful methods such as each, map, count, and more