Created
October 23, 2022 20:34
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irb(main):001:1* def make_methods(&blk) | |
irb(main):002:1* (1..100).each { |i| define_method("number_#{i}".to_sym) { blk.call(i) } } | |
irb(main):003:0> end | |
=> :make_methods | |
irb(main):004:0> | |
irb(main):005:0> make_methods { |i| i } | |
=> 1..100 | |
irb(main):006:0> | |
irb(main):007:0> puts number_2 # => 2 | |
2 | |
=> nil | |
irb(main):008:0> puts number_3 # => 3 | |
3 | |
=> nil | |
irb(main):009:0> | |
irb(main):010:0> p method(:number_2).source_location | |
["(irb)", 2] | |
=> ["(irb)", 2] | |
irb(main):011:0> | |
irb(main):012:0> make_methods { |i| i * 2} | |
=> 1..100 | |
irb(main):013:0> | |
irb(main):014:0> puts number_2 # => 4 | |
4 | |
=> nil | |
irb(main):015:0> puts number_3 # => 6 | |
6 | |
=> nil | |
irb(main):016:0> | |
irb(main):017:0> p method(:number_2).source_location | |
["(irb)", 2] | |
=> ["(irb)", 2] | |
irb(main):018:0> |
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