This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
require 'json-schema' | |
text = '{"uuid":"3ea8fd89-232f-4ed1-90b5-743da173cd7d","name":"FIRM"}' | |
schema = ' | |
{ | |
"$schema": "http://json-schema.org/draft-04/schema#", | |
"type": "object", |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
require "rom" | |
ROM.setup :memory | |
class Users < ROM::Relation[:memory] | |
register_as :users | |
end | |
class Tasks < ROM::Relation[:memory] | |
register_as :tasks | |
end |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Calculating ------------------------------------- | |
method 56.995k i/100ms | |
proc 49.213k i/100ms | |
proc new 57.562k i/100ms | |
------------------------------------------------- | |
method 1.797M (±10.7%) i/s - 8.891M | |
proc 1.522M (± 8.3%) i/s - 7.579M | |
proc new 1.867M (± 7.9%) i/s - 9.267M | |
Comparison: |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
require 'equalizer' | |
module Checkproc | |
InvalidValueError = Class.new(StandardError) { include Equalizer.new(:message) } | |
class Composite | |
attr_reader :left | |
attr_reader :right | |
def initialize(left, right) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# identity | |
id = -> v { v } | |
# composition | |
composition = -> g, f { -> v { g[f[v]] } } | |
# testing for id | |
g = -> v { v * 2 } | |
composition(g, id)[3] == g[3] # true | |
composition(id, g)[3] == g[3] # true |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
require 'fiddle' | |
A = Class.new | |
B = Class.new | |
C = Class.new A | |
p C.superclass # => A | |
(Fiddle::Pointer[Fiddle.dlwrap C] + 16)[0, 8] = Fiddle::Pointer[Fiddle.dlwrap B].ref | |
p C.superclass # => B |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
require "rspec" | |
require "mustermann" | |
# Checks whether client condition has received given request | |
# | |
# @example | |
# allow(client) | |
# .to receive_request(:get, "example.com/users/:id/bills") | |
# .and_return({ id: 1, price: 100, currency: "RUR" }) | |
# |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
require "rspec" | |
require "mustermann" | |
require "delegate" | |
# Gem-speficic RSpec mocks and expectations | |
# | |
# @example | |
# allow(client) | |
# .to receive_request(:get, '/users/1') | |
# .where { |req| req[:query].include? "auth" => "foobar" } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Happy birthday to you... | |
# | |
# @example | |
# dates = MartianAnniversaries.from '2015-01-01' | |
# dates.take(2) | |
# # => ['2016-11-17', '2018-10-05'] | |
# | |
class MartianAnniversaries | |
include Enumerable |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
require 'reform' | |
require 'reform/form/coercion' | |
require 'hashie/mash' | |
module Reform | |
module DryTypes | |
def property(name, type: nil, **options, &block) | |
super(name, **options, &block).tap do | |
if type | |
# Tries to coerce value to the necessary type |
OlderNewer