forked from extern/nushell
29 lines
594 B
Rust
29 lines
594 B
Rust
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use crate::prelude::*;
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use std::fmt;
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pub struct Debuggable<'a, T: ToDebug> {
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inner: &'a T,
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source: &'a str,
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}
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impl<T: ToDebug> fmt::Display for Debuggable<'a, T> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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self.inner.fmt_debug(f, self.source)
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}
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}
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pub trait HasSpan {
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fn span(&self) -> Span;
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}
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pub trait ToDebug: Sized {
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fn debug(&'a self, source: &'a str) -> Debuggable<'a, Self> {
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Debuggable {
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inner: self,
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source,
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}
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}
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fn fmt_debug(&self, f: &mut fmt::Formatter, source: &str) -> fmt::Result;
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}
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