Print x, each line prepended with --, to stderr. This is useful for displaying warning messages and verbose logs.
i1 : printerr "Hello, world!" -- Hello, world! |
i2 : printerr("foo" || "bar") -- foo -- bar |
If x is a basic list, then its elements are first joined with horizontalJoin.
i3 : printerr("foo", "bar") -- foobar |
The object printerr is a function closure.