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-rw-r--r--dhall_core/src/core.rs12
1 files changed, 7 insertions, 5 deletions
diff --git a/dhall_core/src/core.rs b/dhall_core/src/core.rs
index 3f01b55..456a68c 100644
--- a/dhall_core/src/core.rs
+++ b/dhall_core/src/core.rs
@@ -337,20 +337,22 @@ fn add_ui(u: usize, i: isize) -> usize {
}
/// Map over the immediate children of the passed Expr
-pub fn map_subexpr<S, T, A, B, F1, F2, F3, F4, F5>(
- e: &Expr<S, A>,
+pub fn map_subexpr<SE1, SE2, S, T, A, B, F1, F2, F3, F4, F5>(
+ e: &ExprF<SE1, S, A>,
map: F1,
map_note: F2,
map_embed: F3,
map_label: F4,
map_under_binder: F5,
-) -> Expr<T, B>
+) -> ExprF<SE2, T, B>
where
- F1: Fn(&SubExpr<S, A>) -> SubExpr<T, B>,
+ SE1: Clone,
+ SE2: Clone,
+ F1: Fn(&SE1) -> SE2,
F2: FnOnce(&S) -> T,
F3: FnOnce(&A) -> B,
F4: Fn(&Label) -> Label,
- F5: FnOnce(&Label, &SubExpr<S, A>) -> SubExpr<T, B>,
+ F5: FnOnce(&Label, &SE1) -> SE2,
{
use crate::ExprF::*;
let map = &map;