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irb(main):107:0* a = [] => [] irb(main):108:0> a.find 'awesome' NoMethodError: No method 'call' on an instance of String. from Kernel(String)#call (method_missing_cv) at kernel/core/kernel.rb:652 from Enumerable(Array)#find at kernel/core/enumerable.rb:252 from Object#irb_binding {} at (irb):108 irb(main):109:0> b = ['rubyiasdfas'] => ["rubyiasdfas"] irb(main):110:0> b.find 'zero?' LocalJumpError: not callable from NilClass#call at kernel/core/misc.rb:41 from Enumerable(Array)#find {} at kernel/core/enumerable.rb:251 from Array#each at kernel/core/array.rb:572 from Enumerable(Array)#find at kernel/core/enumerable.rb:251 from Object#irb_binding {} at (irb):110 irb(main):111:0>

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