d11wtq

; Returns a lambda, which for each invocation gives the next Fibbonnaci number
fib := { a := 0
         b := 1
         { n := a
           c := a + b
           a = b
           b = c
           n } }

seq := fib:

d11wtq

class QueryParser < Whittle::Parser
  rule(:wsp => /\s+/).skip!

  rule("(")
  rule(")")

  rule("AND") % :left ^ 1
  rule("OR")  % :left ^ 1

  rule(">") % :left ^ 2

d11wtq

class QueryParser < Whittle::Parser
  rule(:wsp => /\s+/).skip!

  rule("(")
  rule(")")

  rule("AND") % :left
  rule("OR")  % :left

  rule(">") % :left ^ 1

d11wtq

[1] pry(main)> Complex("2.5")
=> (2.5+0i)
[2] pry(main)> Rational("2.5")
=> (5/2)
[3] pry(main)> Complex("2.5") == Rational("2.5")
=> true
[4] pry(main)> Complex("2.5").real?
=> false
[5] pry(main)> Rational("2.5").real?
=> true

d11wtq

require 'whittle'

class Parser < Whittle::Parser
  class StringParser < Whittle::Parser
    rule('"')

    rule(:esc => /\\./).as { |esc| eval('"' + esc + '"') }

    rule(:chars => /[^\\"]+/)

d11wtq

require 'whittle'

class Parser < Whittle::Parser
  rule("class")

  rule("(")
  rule(")")

  rule("{")
  rule("}")

d11wtq

require "parslet"

class MiniP < Parslet::Parser
  rule(:wsp)    { match("\\s").repeat(1) }
  rule(:wsp?)   { wsp.maybe }

  rule(:t_int)  { match("[0-9]").repeat(1).as(:int) }

  # this is causing Stack Level Too Deep
  rule(:sum)    { expr.as(:left) >> wsp? >> str("+") >> wsp? >> expr.as(:right) }

d11wtq

Failures:

  1) Acquisto::ReflectiveRoutes with a model containing a 1:n relationship generates a route to fetch the child collection
     Failure/Error: model.finalize
     NameError:
       Cannot find the child_model Invoice for Customer in invoices
     # ./spec/unit/reflective_routes_spec.rb:11:in `block (2 levels) in <top (required)>'

d11wtq

  context "given a simple model" do
    let(:model) do
      Class.new do
        def self.name
          "Customer"
        end

        include DataMapper::Resource

        property :id,   DataMapper::Property::Serial

d11wtq

  context "given a simple model" do
    let(:model) do
      Class.new do
        def self.name
          "Customer"
        end

        include DataMapper::Resource

        property :id,   DataMapper::Property::Serial