diff options
| -rw-r--r-- | mingling/src/parser/picker.rs | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/mingling/src/parser/picker.rs b/mingling/src/parser/picker.rs index 6743053..05021a7 100644 --- a/mingling/src/parser/picker.rs +++ b/mingling/src/parser/picker.rs @@ -129,7 +129,7 @@ pub trait Pickable { #[doc(hidden)] macro_rules! define_pick_structs { - ($n:tt $($T:ident $val:ident),+) => { + ($n:tt $final:ident $final_val:ident $($T:ident $val:ident),+) => { #[doc(hidden)] pub struct $n<$($T,)+ R> where @@ -173,6 +173,19 @@ macro_rules! define_pick_structs { pub fn unpack_directly(self) -> ($($T,)+) { ($(self.$val,)+) } + + /// Applies a transformation to the last extracted value. + /// + /// Takes a closure that receives the last extracted value and returns a new value of the same type. + /// The transformed value replaces the original value in the builder. + /// This method can be used to modify or validate the extracted value before final unpacking. + pub fn after<F>(mut self, edit: F) -> Self + where + F: Fn($final) -> $final, + { + self.$final_val = edit(self.$final_val); + self + } } }; } @@ -276,18 +289,18 @@ macro_rules! impl_pick_structs { }; } -define_pick_structs! { Pick1 T1 val_1 } -define_pick_structs! { Pick2 T1 val_1, T2 val_2 } -define_pick_structs! { Pick3 T1 val_1, T2 val_2, T3 val_3 } -define_pick_structs! { Pick4 T1 val_1, T2 val_2, T3 val_3, T4 val_4 } -define_pick_structs! { Pick5 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5 } -define_pick_structs! { Pick6 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6 } -define_pick_structs! { Pick7 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7 } -define_pick_structs! { Pick8 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7, T8 val_8 } -define_pick_structs! { Pick9 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7, T8 val_8, T9 val_9 } -define_pick_structs! { Pick10 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7, T8 val_8, T9 val_9, T10 val_10 } -define_pick_structs! { Pick11 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7, T8 val_8, T9 val_9, T10 val_10, T11 val_11 } -define_pick_structs! { Pick12 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7, T8 val_8, T9 val_9, T10 val_10, T11 val_11, T12 val_12 } +define_pick_structs! { Pick1 T1 val_1 T1 val_1 } +define_pick_structs! { Pick2 T2 val_2 T1 val_1, T2 val_2 } +define_pick_structs! { Pick3 T3 val_3 T1 val_1, T2 val_2, T3 val_3 } +define_pick_structs! { Pick4 T4 val_4 T1 val_1, T2 val_2, T3 val_3, T4 val_4 } +define_pick_structs! { Pick5 T5 val_5 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5 } +define_pick_structs! { Pick6 T6 val_6 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6 } +define_pick_structs! { Pick7 T7 val_7 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7 } +define_pick_structs! { Pick8 T8 val_8 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7, T8 val_8 } +define_pick_structs! { Pick9 T9 val_9 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7, T8 val_8, T9 val_9 } +define_pick_structs! { Pick10 T10 val_10 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7, T8 val_8, T9 val_9, T10 val_10 } +define_pick_structs! { Pick11 T11 val_11 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7, T8 val_8, T9 val_9, T10 val_10, T11 val_11 } +define_pick_structs! { Pick12 T12 val_12 T1 val_1, T2 val_2, T3 val_3, T4 val_4, T5 val_5, T6 val_6, T7 val_7, T8 val_8, T9 val_9, T10 val_10, T11 val_11, T12 val_12 } impl_pick_structs! { Pick1 Pick2 val_2 T1 val_1 } impl_pick_structs! { Pick2 Pick3 val_3 T1 val_1, T2 val_2 } |