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Ruby Hash - Initialization
Ruby Hash - Initialization
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I’m working on a Ruby-based script to automate some JSON-based config generation for an iOS utility — something like what you’d see in an iOS on-device signing tool, which uses signed manifests for app installs.
I’m using Hash.new { |h, k| h[k] = [] } to initialize defaults, but weirdly, values don’t persist as expected when nested keys are involved. Anyone else run into Ruby hash quirks like this when dynamically generating configs or parsing app metadata?
Trying to avoid unnecessary .dig chains or manual nil checks if possible.
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hackerrank case is a bit misleading as creating the hash with symbols is not considered a good answer, it's only valid with strings.
In Ruby, you can initialize a hash using either the new method or literal syntax {}. If you want to set initial key-value pairs, use the literal syntax with or without the newer symbol syntax. Deck Repair Contractor