35 lines
656 B
Rust
35 lines
656 B
Rust
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use crate::common::*;
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pub(crate) trait Step {
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fn print(&self, env: &mut Env) -> Result<(), Error> {
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let style = env.err_style();
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let dim = style.dim();
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let message = style.message();
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err!(
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env,
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"{}[{}/{}]{} ",
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dim.prefix(),
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self.n(),
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Self::total(),
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dim.suffix()
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)?;
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err!(env, "{}{} ", message.prefix(), self.symbol())?;
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self.write_message(&mut env.err).context(error::Stderr)?;
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errln!(env, "{}", message.suffix())?;
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Ok(())
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}
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fn n(&self) -> usize;
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fn total() -> usize;
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fn write_message(&self, write: &mut dyn Write) -> io::Result<()>;
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fn symbol(&self) -> &str;
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}
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