29 lines
666 B
Rust
29 lines
666 B
Rust
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pub trait InfoResult<T, E> : Sized {
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fn map_info<F: FnOnce(&T) -> String>(self, f: F) -> Self;
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fn map_info_str(self, s: &str) -> Self {
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self.map_info(|_| format!("{}", s))
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}
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fn map_info_err<F: FnOnce(&E) -> String>(self, f: F) -> Self;
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fn map_info_err_str(self, s: &str) -> Self {
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self.map_info_err(|_| format!("{}", s))
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}
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}
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impl<T, E> InfoResult<T, E> for Result<T, E> {
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fn map_info<F: FnOnce(&T) -> String>(self, f: F) -> Self {
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self.map(|t| { info!("{}", f(&t)); t })
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}
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fn map_info_err<F: FnOnce(&E) -> String>(self, f: F) -> Self {
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self.map_err(|e| { info!("{}", f(&e)); e })
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}
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}
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