Macro operational::seq
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[src]
macro_rules! seq { (let $p: pat = $e: expr ; $( $t: tt )*) => { ... }; (let $p: ident : $ty: ty = $e: expr ; $( $t: tt )*) => { ... }; (for $p: pat = $e: expr ; $( $t: tt )*) => { ... }; (for $p: ident : $ty: ty = $e: expr ; $( $t: tt )*) => { ... }; ($f: expr) => { ... }; }
Provides a convient syntax for monadic computations.
Example
#[macro_use] extern crate operational; use operational::point; use operational::instr::identity; fn main() { let l = seq!{ for x = point(42); for _ = point(0); let y = x + 5; point(y + 5) }; assert_eq!(l, identity(52)); }