Reader::expr

pub fn expr() -> Expr

use macro::{Reader};

A macro argument: kind, text, then its value (kind, text, exponent).

Called on a Reader value as value.expr(…).

Returns#

Expr

See also#

• Reader: Reads a macro call’s input: length-prefixed fields (<len>:<bytes>, lists as a count then their items) in constructor order, written by the compiler (macros::encode).
• Reader::over
• Reader::str: One field.
• Reader::int: A field holding a decimal integer, possibly negative.
• Reader::bool
• Reader::strings
• Reader::ident
• Reader::exprs