Macro let_readln

macro_rules! let_readln {
    ($($pattern:tt)*) => { ... };
}

Reads a line of text from standard input, then scans it using the specified pattern. All values are bound directly to local variables.

Note that this macro only supports a single pattern.

See also: Pattern Syntax, scan!.

Examples

let_readln!((let cost: u32, "¥,", let product: Word));
println!("One {} costs {}¥.", product, cost);

Panics

Panics if an error is encountered while reading from standard input, or if the pattern fails to match.