method
try_convert
v2_4_6 -
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Class: IO
- 1_8_6_287
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- 1_8_7_330
- 1_9_1_378 (0)
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- 2_2_9 (15)
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try_convert(p1)
public
Try to convert obj into an IO, using to_io method. Returns converted IO or nil if obj cannot be converted for any reason.
IO.try_convert(STDOUT) #=> STDOUT IO.try_convert("STDOUT") #=> nil require 'zlib' f = open("/tmp/zz.gz") #=> #<File:/tmp/zz.gz> z = Zlib::GzipReader.open(f) #=> #<Zlib::GzipReader:0x81d8744> IO.try_convert(z) #=> #<File:/tmp/zz.gz>