TypeConstraints
Usage
require "type_constraints"
TypeConstraints.setup do
type :Array do
constraint -> v { v.kind_of?(Array) }
end
subtype :ArrayOfString, :Array do
constraint -> v { v.all?() {|v| v.kind_of?(String) } }
end
subtype :ArrayOfHisa, :ArrayOfString do
constraint -> v { v.all?() {|v| v === "5518" } }
end
end
puts "testing Array"
p TypeConstraints.check?(:Array, []) #=> true
p TypeConstraints.check?(:Array, {}) #=> false
puts "testing ArrayOfString"
p TypeConstraints.check?(:ArrayOfString, ["1000", "2000"]) #=> true
p TypeConstraints.check?(:ArrayOfString, [1000, 2000]) #=> false
p TypeConstraints.check?(:ArrayOfString, {}) #=> false
puts "testing ArrayOfHisa"
p TypeConstraints.check?(:ArrayOfHisa, ["5518"]) #=> true
p TypeConstraints.check?(:ArrayOfHisa, ["hisa"]) #=> false
p TypeConstraints.check?(:ArrayOfHisa, [5518]) #=> falseDefault Type Constrains
BasicObject
Object
Hash
Array
Method
UnboundMethod
String
Symbol
Range
Exception
NilClass
TrueClass
FalseClass
Regexp
Time
MatchData
Proc
Module
Class
Numeric
Float
Integer
Bignum
FixnumInstallation
Add this line to your application's Gemfile:
gem 'type_constraints'And then execute:
$ bundle
Or install it yourself as:
$ gem install type_constraints
Contributing
- Fork it ( https://github.com/hisaichi5518/type_constraints/fork )
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create a new Pull Request