1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
module MetaTimeDSL
{:second => 1,
:minute => 60,
:hour => 3600,
:day => [24,:hours],
:week => [7,:days],
:month => [30,:days],
:year => [364.25, :days]}.each do |meth, amount|
define_method "m_#{meth}" do
amount = amount.is_a?(Array) ? amount[0].send(amount[1]) : amount
self * amount
end
alias_method "m_#{meth}s".intern, "m_#{meth}"
end
end
Numeric.send :include, MetaTimeDSL
module TimeDSL
def second
self * 1
end
alias_method :seconds, :second
def minute
self * 60
end
alias_method :minutes, :minute
def hour
self * 3600
end
alias_method :hours, :hour
def day
self * 86400
end
alias_method :days, :day
def week
self * 604800
end
alias_method :weeks, :week
def month
self * 18144000
end
alias_method :months, :month
def year
self * 31471200
end
alias_method :years, :year
end
Numeric.send :include, TimeDSL
module RefaMetaTimeDSL
{:second => 1,
:minute => 60,
:hour => 3600,
:day => [24,:hours],
:week => [7,:days],
:month => [30,:days],
:year => [364.25, :days]}.each do |meth, amount|
self.class_eval <<-RUBY
def r_#{meth}
#{amount.is_a?(Array) ? "#{amount[0]}.#{amount[1]}" : "#{amount}"}
end
alias_method :r_#{meth}s, :r_#{meth}
RUBY
end
end
Numeric.send :include, RefaMetaTimeDSL
module EvalMetaTimeDSL
def self.included(base)
base.class_eval do
[ [:e_second, 1],
[:e_minute, 60],
[:e_hour, 3600],
[:e_day, [24,:e_hours]],
[:e_week, [7,:e_days]],
[:e_month, [30,:e_days]],
[:e_year, [365.25, :e_days]]].each do |meth, amount|
amount = amount.is_a?(Array) ? amount[0].send(amount[1]) : amount
eval "def #{meth}; self*#{amount}; end"
alias_method "#{meth}s", meth
end
end
end
end
Numeric.send :include, EvalMetaTimeDSL
module GoodMetaTimeDSL
SECOND = 1
MINUTE = SECOND * 60
HOUR = MINUTE * 60
DAY = HOUR * 24
WEEK = DAY * 7
MONTH = DAY * 30
YEAR = DAY * 364.25
%w[SECOND MINUTE HOUR DAY WEEK MONTH YEAR].each do |const_name|
meth = const_name.downcase
class_eval <<-RUBY
def g_#{meth}
self * #{const_name}
end
alias g_#{meth}s g_#{meth}
RUBY
end
end
Numeric.send :include, GoodMetaTimeDSL
require "rubygems"
require "rbench"
TIMES = 100_000
RBench.run(TIMES) do
format :width => 65
column :times
column :bad_meta, :title => "Bad Neta"
column :no_meta, :title => "No Meta"
column :refa, :title => "Refactored"
column :eval_meta, :title => 'Refactor 2'
column :good_meta, :title => "Better Meta"
group("MetaTimeDSL") do
report "with 360.seconds" do
bad_meta { 360.m_seconds }
no_meta { 360.seconds }
refa { 360.r_seconds }
eval_meta { 360.e_seconds}
good_meta { 360.g_seconds }
end
report "with 360.minutes" do
bad_meta { 360.m_minutes }
no_meta { 360.minutes }
refa { 360.r_minutes }
eval_meta { 360.e_minutes }
good_meta { 360.g_minutes }
end
report "with 360.hours" do
bad_meta { 360.m_hours }
no_meta { 360.hours }
refa { 360.r_hours }
eval_meta { 360.e_hours }
good_meta { 360.g_hours }
end
report "with 360.days" do
bad_meta { 360.m_days }
no_meta { 360.days }
refa { 360.r_days }
eval_meta { 360.e_days }
good_meta { 360.g_days }
end
report "with 360.weeks" do
bad_meta { 360.m_weeks }
no_meta { 360.weeks }
refa { 360.r_weeks }
eval_meta { 360.e_weeks }
good_meta { 360.g_weeks }
end
report "with 18.months" do
bad_meta { 18.m_months }
no_meta { 18.months }
refa { 18.r_months }
eval_meta { 18.e_months }
good_meta { 18.g_months }
end
report "with 7.years" do
bad_meta { 7.m_years }
no_meta { 7.years }
refa { 7.r_years }
eval_meta { 7.e_years }
good_meta { 7.g_years }
end
end
end
|
Pastie << self Blog
