18 lines
513 B
Rust
18 lines
513 B
Rust
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//! Demonstrates the use of [read_and()]:
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//!
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//! The provided closure:
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//! 1. Takes a line of input (a [String])
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//! 2. Performs some calculation (using [FromStr])
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//! 3. Returns a [Result] containing a [Response] or an [Err]
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use repline::{prebaked::read_and, Response};
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use std::{error::Error, str::FromStr};
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fn main() -> Result<(), Box<dyn Error>> {
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read_and("\x1b[33m", " >", " ?>", |line| {
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println!("-> {:?}", f64::from_str(line.trim())?);
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Ok(Response::Accept)
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})?;
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Ok(())
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}
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