blob: 1445392f36e2782fbaa338159bb6ac55bb0d7451 (
plain)
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
|
##
# Struct
#
# ISO 15.2.18
if Object.const_defined?(:Struct)
class Struct
##
# Calls the given block for each element of +self+
# and pass the respective element.
#
# ISO 15.2.18.4.4
def each(&block)
self.class.members.each{|field|
block.call(self[field])
}
self
end
##
# Calls the given block for each element of +self+
# and pass the name and value of the respectiev
# element.
#
# ISO 15.2.18.4.5
def each_pair(&block)
self.class.members.each{|field|
block.call(field.to_sym, self[field])
}
self
end
##
# Calls the given block for each element of +self+
# and returns an array with all elements of which
# block is not false.
#
# ISO 15.2.18.4.7
def select(&block)
ary = []
self.class.members.each{|field|
val = self[field]
ary.push(val) if block.call(val)
}
ary
end
def _inspect
name = self.class.to_s
if name[0] == "#"
str = "#<struct "
else
str = "#<struct #{name} "
end
buf = []
self.each_pair do |k,v|
buf.push [k.to_s + "=" + v._inspect]
end
str + buf.join(", ") + ">"
end
##
# call-seq:
# struct.to_s -> string
# struct.inspect -> string
#
# Describe the contents of this struct in a string.
#
# 15.2.18.4.10(x)
#
def inspect
begin
self._inspect
rescue SystemStackError
"#<struct #{self.class.to_s}:...>"
end
end
##
# 15.2.18.4.11(x)
#
alias to_s inspect
end
end
|
