19 lines
420 B
Rust
19 lines
420 B
Rust
use super::*;
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/// String wrapper that uses nonblank characters to display spaces and tabs
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pub struct ShowWhitespace<'str>(pub &'str str);
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impl<'str> Display for ShowWhitespace<'str> {
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fn fmt(&self, f: &mut Formatter) -> fmt::Result {
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for c in self.0.chars() {
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match c {
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'\t' => write!(f, "␉")?,
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' ' => write!(f, "␠")?,
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_ => write!(f, "{}", c)?,
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};
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}
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Ok(())
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}
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}
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