Function warn::rev_map
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[src]
pub fn rev_map<WF, WT, W, F>(warn: &mut W, fn_: F) -> RevMap<WF, WT, W, F> where
W: Warn<WT>,
F: FnMut(WF) -> WT,
Applies a function to all warnings passed to this, before passing it to the underlying warn object.