Class: Symbol
- Inherits:
-
Object
- Object
- Symbol
- Defined in:
- lib/core_ext.rb
Instance Method Summary collapse
-
#to_proc ⇒ Object
Turns the symbol into a simple proc, which is especially useful for enumerations.
Instance Method Details
#to_proc ⇒ Object
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)
14 15 16 |
# File 'lib/core_ext.rb', line 14 def to_proc Proc.new { |*args| args.shift.__send__(self, *args) } end |