From c22cc3b348bdcb446fb0e44070da36fdf6b05800 Mon Sep 17 00:00:00 2001
From: tslil <tslil@posteo.de>
Date: Sat, 21 Mar 2026 08:49:35 +0000
Subject: big rework to support evaluation of selection functions, WiP

---
 .../src/selection_functions/function_end.rs        | 32 +++++++++++++++++-----
 1 file changed, 25 insertions(+), 7 deletions(-)

(limited to 'rprt-engine/src/selection_functions/function_end.rs')

diff --git a/rprt-engine/src/selection_functions/function_end.rs b/rprt-engine/src/selection_functions/function_end.rs
index 3f18fd3..cec7c90 100644
--- a/rprt-engine/src/selection_functions/function_end.rs
+++ b/rprt-engine/src/selection_functions/function_end.rs
@@ -1,11 +1,15 @@
-use crate::selection::Selection;
-use crate::selection_function;
-use crate::selection_functions::types::{get_buffer, SFArguments, SFError, SFResult};
-use crate::state::EditorState;
+use crate::{
+    dispatch_selection_function,
+    selection::Selection,
+    selection_function,
+    selection_functions::types::{get_buffer, SFArguments, SFError, SFResult},
+    state::EditorState,
+};
 
 selection_function! {
     name: end,
-    niladic: |es: &EditorState| {
+    param_type: (),
+    niladic: |(_, es): ((), &EditorState)| {
         let buf = get_buffer(es, es.current_buffer_id)?;
         Ok(Selection::Position {
             buffer_id: es.current_buffer_id,
@@ -18,7 +22,8 @@ selection_function! {
 
 selection_function! {
     name: reverse_end,
-    niladic: |es: &EditorState| {
+    param_type: (),
+    niladic: |(_, es): ((), &EditorState)| {
         Ok(Selection::Position {
             buffer_id: es.current_buffer_id,
             pos: 0,
@@ -30,9 +35,10 @@ selection_function! {
 
 selection_function! {
     name: sequential_end,
+    param_type: (),
     niladic: |_| Err(SFError::NoNiladicForm(";$").into()),
     monadic_rank0: |_, buffer_id, pos| Ok(Selection::Position { buffer_id, pos }),
-    monadic_rank1: |es, buffer_id, _| {
+    monadic_rank1: |(_, es), buffer_id, _| {
         let buf = get_buffer(es, buffer_id)?;
         Ok(Selection::Position { buffer_id, pos: buf.max_pos() })
     }
@@ -40,6 +46,7 @@ selection_function! {
 
 selection_function! {
     name: sequential_reverse_end,
+    param_type: (),
     niladic: |_| Err(SFError::NoNiladicForm(";'$").into()),
     monadic_rank0: |_, buffer_id, pos| {
         Ok(Selection::Position { buffer_id, pos })
@@ -54,6 +61,7 @@ selection_function! {
 
 selection_function! {
     name: reverse_sequential_end,
+    param_type: (),
     niladic: |_| Err(SFError::NoNiladicForm("';$").into()),
     monadic_rank0: |_, buffer_id, pos| {
         Ok(Selection::Position { buffer_id, pos })
@@ -65,3 +73,13 @@ selection_function! {
         })
     }
 }
+
+dispatch_selection_function!(
+    name: selection_function_end,
+    param_type: (),
+    base: end,
+    sequential: sequential_end,
+    reverse: reverse_end,
+    sequential_reverse: sequential_reverse_end,
+    reverse_sequential: reverse_sequential_end,
+);
-- 
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