Macro vonuvoli_scheme::option_and_then [−][src]
macro_rules! option_and_then { ( $option : ident, $expression : expr ) => { ... }; ( $option : expr, $value : pat, $expression : expr ) => { ... }; }
macro_rules! option_and_then { ( $option : ident, $expression : expr ) => { ... }; ( $option : expr, $value : pat, $expression : expr ) => { ... }; }