diff options
Diffstat (limited to 'iter_patterns/src/lib.rs')
| -rw-r--r-- | iter_patterns/src/lib.rs | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/iter_patterns/src/lib.rs b/iter_patterns/src/lib.rs index 5395755..10679aa 100644 --- a/iter_patterns/src/lib.rs +++ b/iter_patterns/src/lib.rs @@ -26,19 +26,31 @@ macro_rules! destructure_iter { // Variable length pattern (@match_forwards, $iter:expr, ($body:expr), $x:ident.., $($rest:tt)*) => { - $crate::destructure_iter!(@match_backwards, $iter, ({ - let $x = $iter; - $body - }), $($rest)*) + $crate::destructure_iter!(@match_backwards, + $iter, + ({ + let $x = $iter; + $body + }), + $($rest)* + ) }; // Variable length pattern without a binder (@match_forwards, $iter:expr, ($body:expr), .., $($rest:tt)*) => { - $crate::destructure_iter!(@match_backwards, $iter, ($body), $($rest)*) + $crate::destructure_iter!(@match_backwards, + $iter, + ($body), + $($rest)* + ) }; // Single item pattern (@match_forwards, $iter:expr, ($body:expr), $x:pat, $($rest:tt)*) => { if let Some($x) = $iter.next() { - $crate::destructure_iter!(@match_forwards, $iter, ($body), $($rest)*) + $crate::destructure_iter!(@match_forwards, + $iter, + ($body), + $($rest)* + ) } else { None } @@ -71,7 +83,11 @@ macro_rules! destructure_iter { { #[allow(unused_mut)] let mut iter = $iter; - $crate::destructure_iter!(@match_forwards, iter, (Some($body)), $($args)*,) + $crate::destructure_iter!(@match_forwards, + iter, + (Some($body)), + $($args)*, + ) } }; } |