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Contents
require 'myrrha/with_core_ext'
require 'myrrha/coerce'
# NilClass -> _Anything_ returns nil, always
coerce(nil, Integer) # => nil
# Object -> String, via ruby's String()
coerce("hello", String) # => "hello"
coerce(:hello, String) # => "hello"
# String -> Numeric, through ruby's Integer() and Float()
coerce("12", Integer) # => 12
coerce("12.0", Float) # => 12.0
# String -> Numeric is smart enough:
coerce("12", Numeric) # => 12 (Integer)
coerce("12.0", Numeric) # => 12.0 (Float)
# String -> Regexp, through Regexp.compile
coerce("[a-z]+", Regexp) # => /[a-z]+/
# String -> Symbol, through to_sym
coerce("hello", Symbol) # => :hello
# String -> Boolean (hum, sorry Matz!)
coerce("true", Boolean) # => true
coerce("false", Boolean) # => false
# String -> Date, through Date.parse
require 'date'
coerce("2011-07-20", Date) # => #<Date: 2011-07-20 (4911525/2,0,2299161)>
# String -> Time, through Time.parse (just in time issuing of require('time'))
coerce("2011-07-20 10:57", Time) # => 2011-07-20 10:57:00 +0200
# String -> URI, through URI.parse
require 'uri'
coerce('http://google.com', URI) # => #<URI::HTTP:0x8281ce0 URL:http://google.com>
# String -> Class and Module through constant lookup
coerce("Integer", Class) # => Integer
coerce("Myrrha::Version", Module) # => Myrrha::Version
# Symbol -> Class and Module through constant lookup
coerce(:Integer, Class) # => Integer
coerce(:Enumerable, Module) # => Enumerable
Version data entries
14 entries across 14 versions & 1 rubygems