allow redirect_std*
to devnull
(#36136)
#36146
Merged
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solves #36136 partially.
The methods
redirect_std*(io::Base.DevNull)
have been added. They redirect to"/dev/null"
on non-windows systems and to"NUL"
elsewhere.This allows to call for example
redirect_stdout(f, devnull)
to supress all output tostdout
produced in function callf()
.The first argument
f
is still restricted to::Function
.