Last change
on this file since 398 was 331, checked in by coas-nagasima, 6 years ago |
prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
|
-
Property svn:eol-style
set to
native
-
Property svn:mime-type
set to
text/x-ruby
|
File size:
936 bytes
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Line | |
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1 | class Range
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2 | ##
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3 | # call-seq:
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4 | # rng.first -> obj
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5 | # rng.first(n) -> an_array
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6 | #
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7 | # Returns the first object in the range, or an array of the first +n+
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8 | # elements.
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9 | #
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10 | # (10..20).first #=> 10
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11 | # (10..20).first(3) #=> [10, 11, 12]
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12 | #
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13 | def first(*args)
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14 | return self.begin if args.empty?
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15 |
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16 | raise ArgumentError, "wrong number of arguments (given #{args.length}, expected 1)" unless args.length == 1
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17 | nv = args[0]
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18 | raise TypeError, "no implicit conversion from nil to integer" if nv.nil?
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19 | raise TypeError, "no implicit conversion of #{nv.class} into Integer" unless nv.respond_to?(:to_int)
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20 | n = nv.to_int
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21 | raise TypeError, "no implicit conversion of #{nv.class} into Integer" unless n.kind_of?(Integer)
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22 | raise ArgumentError, "negative array size (or size too big)" unless 0 <= n
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23 | ary = []
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24 | each do |i|
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25 | break if n <= 0
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26 | ary.push(i)
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27 | n -= 1
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28 | end
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29 | ary
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30 | end
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31 | end
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