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Merge pull request #46 from oleander/feature/37/memoize
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memoize mapper close #37
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@oleander
oleander committed Dec 16, 2021
2 parents 44b71ac + 73a8edd commit 392f458
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3 changes: 2 additions & 1 deletion .rubocop.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ Metrics/MethodLength:

Metrics/BlockLength:
Enabled: false

Metrics/AbcSize:
Max: 40

Expand Down Expand Up @@ -266,7 +267,7 @@ RSpec/RepeatedDescription:
Enabled: false

Performance/BlockGivenWithExplicitBlock:
Enabled: false
Enabled: true

Naming/MethodParameterName:
Enabled: false
2 changes: 2 additions & 0 deletions Gemfile
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Expand Up @@ -41,3 +41,5 @@ group :test do
end

gem "benchmark-ips"
gem "stackprof"
gem "stackprof-webnav"
6 changes: 6 additions & 0 deletions Rakefile
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Expand Up @@ -57,3 +57,9 @@ namespace :gem do
exec "bundle", "exec", "rake", "release"
end
end

desc "Create profile"
task :profile do
system "bundle", "exec", "ruby", "benchmarks/profile.rb"
exec "stackprof-webnav -d tmp"
end
275 changes: 71 additions & 204 deletions benchmarks/basic.rb
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Expand Up @@ -5,229 +5,96 @@
require "remap"
require "benchmark/ips"

class Fixed < Remap::Base
class Mapper < Remap::Base
define do
map :a do
map :b do
map :c do
map :d do
map :e do
map :f do
map :g do
map :h do
map :i do
map :j do
map :k do
map :l do
map :m do
map :n do
map :o do
map :p do
map :q do
map :r do
map :s do
map :t do
map :u do
map :v do
map :w do
map :x do
map :y do
map :z do
to :a
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
# Fixed values
set :description, to: value("This is a description")

# Required rules
get :friends do
each do
# Post processors
map(:name, to: :id).adjust(&:upcase)

# Field conditions
get?(:age).if do |age|
(30..50).cover?(age)
end

# Map to a finite set of values
get(:phones) do
each do
map.enum do
from "iPhone", to: "iOS"
value "iOS", "Android"

otherwise "Unknown"
end
end
end
end
end

map :z do
map :a do
map :b do
map :c do
map :d do
map :e do
map :f do
map :g do
map :h do
map :i do
map :j do
map :k do
map :l do
map :m do
map :n do
map :o do
map :p do
map :q do
map :r do
map :s do
map :t do
map :u do
map :v do
map :w do
map :x do
map :y do
map :z do
to :a
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
class Linux < Remap::Base
define do
get :kernel
end
end

class Windows < Remap::Base
define do
get :price
end
end

# Composable mappers
to :os do
map :computer, :operating_system do
embed Linux | Windows
end
end

# Wrapping values in an array
to :houses do
wrap :array do
map :house
end
end

# Array selector (all)
map :cars, all, :model, to: :cars
end
end

input = {
z: {
a: {
b: {
c: {
d: {
e: {
f: {
g: {
h: {
i: {
j: {
k: {
l: {
m: {
n: {
o: {
p: {
q: {
r: {
s: {
t: {
u: {
v: {
w: {
x: {
y: {
z: "U"
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
house: "100kvm",
friends: [
{
name: "Lisa",
age: 20,
phones: ["iPhone"]
}, {
name: "Jane",
age: 40,
phones: ["Samsung"]
}
],
computer: {
operating_system: {
kernel: :latest
}
},
a: {
b: {
c: {
d: {
e: {
f: {
g: {
h: {
i: {
j: {
k: {
l: {
m: {
n: {
o: {
p: {
q: {
r: {
s: {
t: {
u: {
v: {
w: {
x: {
y: {
z: "U"
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
cars: [
{
model: "Volvo"
}, {
model: "Tesla"
}
}
]
}

Benchmark.ips do |x|
x.report("fixed") { Fixed.call(input) }
x.report("fixed") { Mapper.call(input) }

x.compare!
end

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