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| author | Leslie Zhang <zxs1989@mail.ustc.edu.cn> | 2015-11-23 09:14:49 +0800 |
|---|---|---|
| committer | Leslie Zhang <zxs1989@mail.ustc.edu.cn> | 2015-11-23 09:14:49 +0800 |
| commit | e7dc56273f07066e2b4da1c02e3f723b8da834a0 (patch) | |
| tree | 4d31ab95dc5c435361e10eaa3a18ca9ab8cfd6b1 /ruby.html.markdown | |
| parent | a3ef58088e558ffba1cbe74314e0044d90c14f79 (diff) | |
Replace Hash#has_key? with Hash#key?
1. Replace Hash#has_key? with Hash#key?
2. Replace Hash#has_value? with Hash#value?
Diffstat (limited to 'ruby.html.markdown')
| -rw-r--r-- | ruby.html.markdown | 4 |
1 files 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 |