diff options
Diffstat (limited to 'vendor/time-macros/src/shim.rs')
-rw-r--r-- | vendor/time-macros/src/shim.rs | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/vendor/time-macros/src/shim.rs b/vendor/time-macros/src/shim.rs deleted file mode 100644 index f31e5d501..000000000 --- a/vendor/time-macros/src/shim.rs +++ /dev/null @@ -1,117 +0,0 @@ -#![allow(unused_macros)] - -// The following code is copyright 2016 Alex Burka. Available under the MIT OR Apache-2.0 license. -// Some adaptations have been made to the original code. - -pub(crate) enum LetElseBodyMustDiverge {} - -#[allow(clippy::missing_docs_in_private_items)] -macro_rules! __guard_output { - ((($($imms:ident)*) ($($muts:ident)*)), - [($($pattern:tt)*) ($rhs:expr) ($diverge:expr)]) => { - __guard_impl!(@as_stmt - let ($($imms,)* $(mut $muts,)*) = { - #[allow(unused_mut)] - match $rhs { - $($pattern)* => { - ($($imms,)* $($muts,)*) - }, - _ => { - let _: $crate::shim::LetElseBodyMustDiverge = $diverge; - }, - } - } - ) - }; -} - -macro_rules! __guard_impl { - (@as_stmt $s:stmt) => { $s }; - (@collect () -> $($rest:tt)*) => { - __guard_output!($($rest)*) - }; - (@collect (($($inside:tt)*) $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($inside)* $($tail)*) -> $idents, $thru) - }; - (@collect ({$($inside:tt)*} $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($inside)* $($tail)*) -> $idents, $thru) - }; - (@collect ([$($inside:tt)*] $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($inside)* $($tail)*) -> $idents, $thru) - }; - (@collect (, $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> $idents, $thru) - }; - (@collect (.. $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> $idents, $thru) - }; - (@collect (@ $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> $idents, $thru) - }; - (@collect (_ $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> $idents, $thru) - }; - (@collect (& $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> $idents, $thru) - }; - (@collect (:: <$($generic:tt),*> $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> $idents, $thru) - }; - (@collect (:: $pathend:ident $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> $idents, $thru) - }; - (@collect (| $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect () -> $idents, $thru) - }; - (@collect ($id:ident: $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> $idents, $thru) - }; - (@collect ($pathcomp:ident :: $pathend:ident $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> $idents, $thru) - }; - (@collect ($id:ident ($($inside:tt)*) $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($inside)* $($tail)*) -> $idents, $thru) - }; - (@collect ($id:ident {$($inside:tt)*} $($tail:tt)*) -> $idents:tt, $thru:tt) => { - __guard_impl!(@collect ($($inside)* $($tail)*) -> $idents, $thru) - }; - (@collect (ref mut $id:ident $($tail:tt)*) -> (($($imms:ident)*) $muts:tt), $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> (($($imms)* $id) $muts), $thru) - }; - (@collect (ref $id:ident $($tail:tt)*) -> (($($imms:ident)*) $muts:tt), $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> (($($imms)* $id) $muts), $thru) - }; - (@collect (mut $id:ident $($tail:tt)*) -> ($imms:tt ($($muts:ident)*)), $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> ($imms ($($muts)* $id)), $thru) - }; - (@collect ($id:ident $($tail:tt)*) -> (($($imms:ident)*) $muts:tt), $thru:tt) => { - __guard_impl!(@collect ($($tail)*) -> (($($imms)* $id) $muts), $thru) - }; - (@split (else { $($diverge:tt)* } = $($tail:tt)*) -> ($pat:tt)) => { - __guard_impl!(@collect $pat -> (() ()), [$pat ($($tail)*) ({ $($diverge)* })]) - }; - (@split (= $($tail:tt)*) -> ($pat:tt)) => { - __guard_impl!(@split expr ($($tail)*) -> ($pat ())) - }; - (@split ($head:tt $($tail:tt)*) -> (($($pat:tt)*))) => { - __guard_impl!(@split ($($tail)*) -> (($($pat)* $head))) - }; - (@split expr (else { $($tail:tt)* }) -> ($pat:tt $expr:tt)) => { - __guard_impl!(@collect $pat -> (() ()), [$pat $expr ({ $($tail)* })]) - }; - (@split expr (else { $($body:tt)* } $($tail:tt)*) -> ($pat:tt ($($expr:tt)*))) => { - __guard_impl!(@split expr ($($tail)*) -> ($pat ($($expr)* else { $($body)* }))) - }; - (@split expr ($head:tt $($tail:tt)*) -> ($pat:tt ($($expr:tt)*))) => { - __guard_impl!(@split expr ($($tail)*) -> ($pat ($($expr)* $head))) - }; - (let $($tail:tt)*) => { - __guard_impl!(@split ($($tail)*) -> (())) - }; -} - -macro_rules! guard { - ($($input:tt)*) => { - __guard_impl!($($input)*) - }; -} |