Created
September 14, 2010 08:43
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# if ([a valueForKey:@"key"] == [NSNull null]) | |
# obj.foo = [a valueForKey:@"key"]; | |
# Copied straight into ruby | |
if a["key"] != nil | |
obj.foo = a["key"] | |
end | |
# Use a ruby method to test for nil | |
if !a["key"].nil? | |
obj.foo = a["key"] | |
end | |
# "if !" == "unless" | |
unless a["key"].nil? | |
obj.foo = a["key"] | |
end | |
# "unless obj.nil?" == "if obj" if obj isn't going to be false | |
if a["key"] | |
obj.foo = a["key"] | |
end | |
# Why waste three lines when we can do it in one | |
obj.foo = a["key"] if a["key"] | |
# Or if we care about a["key"] being false too | |
obj.foo = a["key"] unless a["key"].nil? | |
# Ew. | |
unless a["one"].nil? | |
obj.one = a["one"] | |
end | |
unless a["two"].nil? | |
obj.one = a["two"] | |
end | |
unless a["three"].nil? | |
obj.one = a["three"] | |
end | |
unless a["four"].nil? | |
obj.one = a["four"] | |
end | |
# Better | |
obj.one = a["one"] unless a["one"].nil? | |
obj.two = a["two"] unless a["two"].nil? | |
obj.three = a["three"] unless a["three"].nil? | |
obj.four = a["four"] unless a["four"].nil? | |
# "Best" (metaprogramming, ruby - fuck yeah!) | |
# %w() == Array | |
%w(one two three four).each do |key| | |
obj.send("#{key}=", a[key]) unless a[key].nil? | |
end |
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