Class: Symbol

Inherits:
Object
  • Object
show all
Defined in:
lib/vapir-common/external/core_extensions.rb

Instance Method Summary collapse

Instance Method Details

#to_procObject

Turns the symbol into a simple proc, which is especially useful for enumerations. Examples:

# The same as people.collect { |p| p.name }
people.collect(&:name)

# The same as people.select { |p| p.manager? }.collect { |p| p.salary }
people.select(&:manager?).collect(&:salary)


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# File 'lib/vapir-common/external/core_extensions.rb', line 31

def to_proc
  Proc.new { |*args| args[0].__send__(self, *args[1..-1]) }
end