method
<<
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<<(p1)
public
String Output—Writes obj to ios. obj will be converted to a string using to_s.
$stdout << "Hello " << "world!\n"
produces:
Hello world!
<<(p1)
public
String Output—Writes obj to ios. obj will be converted to a string using to_s.
$stdout << "Hello " << "world!\n"
produces:
Hello world!