Function mmrbi::fs::write_if_modified_with
source · [−]pub fn write_if_modified_with(
path: impl AsRef<Path>,
io: impl FnOnce(&mut Cursor<Vec<u8>>) -> Result<()>
) -> Result<bool>
Expand description
Write the output of io(&mut output)?
to path
if it differed from what already existed there (if anything.)