Class Symbol
In: lib/core_ext.rb
lib/core_ext.rb
Parent: Object

Methods

to_proc   to_proc  

Public Instance methods

Turns the symbol into a simple proc, which is especially useful for enumerations. Extracted from ActiveSupport.

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)

Returns a Proc which incapsulates the method business logic.

[Source]

# File lib/core_ext.rb, line 16
    def to_proc
      Proc.new { |*args| args.shift.__send__(self, *args) }
    end

Turns the symbol into a simple proc, which is especially useful for enumerations. Extracted from ActiveSupport.

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)

Returns a Proc which incapsulates the method business logic.

[Source]

# File lib/core_ext.rb, line 16
    def to_proc
      Proc.new { |*args| args.shift.__send__(self, *args) }
    end

[Validate]