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[DOC] Improve example of IO#pread [ci skip]

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61438 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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kazu 2017-12-24 02:41:00 +00:00
parent 2e5cf0b711
commit 9f68d0f591
1 changed files with 6 additions and 4 deletions
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10
io.c
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@ -5107,10 +5107,12 @@ pread_internal_call(VALUE arg)
* at end of file and <code>NotImplementedError</code> if platform does not
* implement the system call.
*
* f = File.new("testfile")
* f.read #=> "This is line one\nThis is line two\n"
* f.pread(12, 0) #=> "This is line"
* f.pread(9, 8) #=> "line one\n"
* File.write("testfile", "This is line one\nThis is line two\n")
* File.open("testfile") do |f|
* p f.read # => "This is line one\nThis is line two\n"
* p f.pread(12, 0) # => "This is line"
* p f.pread(9, 8) # => "line one\n"
* end
*/
static VALUE
rb_io_pread(int argc, VALUE *argv, VALUE io)