Rasti::Types
Type casting
Installation
Add this line to your application's Gemfile:
gem 'rasti-types'
And then execute:
$ bundle
Or install it yourself as:
$ gem install rasti-types
Usage
T = Rasti::Types
Type casting
T::Integer.cast '10' # => 10
T::Integer.cast '10.5' # => 10
T::Integer.cast 'text' # => Rasti::Types::CastError: Invalid cast: 'text' -> Rasti::Types::Integer
T::Boolean.cast 'true' # => true
T::Boolean.cast 'FALSE' # => false
T::Boolean.cast 'text' # => Rasti::Types::CastError: Invalid cast: 'text' -> Rasti::Types::Boolean
T::Time['%Y-%m-%d'].cast '2016-10-22' # => 2016-10-22 00:00:00 -0300
T::Time['%Y-%m-%d'].cast '2016-10' # => Rasti::Types::CastError: Invalid cast: '2016-10' -> Rasti::Types::Time['%Y-%m-%d']
T::Array[T::Symbol].cast [1, 'test', :sym] # => [:"1", :test, :sym]
Built-in types
- Array
- Boolean
- Enum
- Float
- Hash
- Integer
- IO
- Model
- Regexp
- String
- Symbol
- Time
- UUID
Plugable types
class UpcaseString
class << self
extend Castable
private
def valid?(value)
valid.is_a?(String)
end
def transform(value)
value.upcase
end
end
end
Contributing
Bug reports and pull requests are welcome on GitHub at https://github.com/gabynaiman/rasti-types.
License
The gem is available as open source under the terms of the MIT License.