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June 27, 2017 14:52
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bhserna revised this gist
Jun 27, 2017 . 1 changed file with 1 addition and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -14,7 +14,7 @@ puts number if number.odd? end # Hay algunos casos donde quieres cortar la ejecución de lo que viene después, en estos casos es útil. (1..20).each do |number| next unless number.odd? puts number -
bhserna created this gist
Jun 27, 2017 .There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,23 @@ # El método :next sirve para decirle a ruby que empieze en ese momento la siguiente iteración. # En este ejemplo no tiene mucho caso porque si no es impar, ruby como quiera no haría nada. De forma que el siguente ejemplo sería mejor. (1..20).each do |number| if number.odd? puts number else next end end # Como ves en este ejemplo, creo que es mejor no usar next. (1..20).each do |number| puts number if number.odd? end # Hay algunos casos donde quieres como cortar la ejecución de lo que viene después, en estos casos es útil. (1..20).each do |number| next unless number.odd? puts number end