Replace [1,2,3]->find(2) with find([1,2,3], 2) to reduce surprise for newcomers

Author: ageron

exercises/practice/binary-search/.meta/template.j2

@@ -7,7 +7,7 @@ import {{ exercise | to_pascal }} exposing [{{ cases[0]["property"] | to_snake }
 {% for case in cases -%}
 # {{ case["description"] }}
 expect {
-    result = {{ case["input"]["array"] | to_roc }} -> {{ case["property"] | to_snake }}({{ case["input"]["value"] }})
+    result = {{ case["property"] | to_snake }}({{ case["input"]["array"] | to_roc }}, {{ case["input"]["value"] }})
 {%- if case["expected"]["error"] %}
     result.is_err()
 {%- else %}

exercises/practice/binary-search/binary-search-test.roc

@@ -1,72 +1,72 @@
 # These tests are auto-generated with test data from:
 # https://github.com/exercism/problem-specifications/tree/main/exercises/binary-search/canonical-data.json
-# File last updated on 2026-06-13
+# File last updated on 2026-06-21
 
 import BinarySearch exposing [find]
 
 # finds a value in an array with one element
 expect {
-	result = [6]->find(6)
+	result = find([6], 6)
 	result == Ok(0)
 }
 
 # finds a value in the middle of an array
 expect {
-	result = [1, 3, 4, 6, 8, 9, 11]->find(6)
+	result = find([1, 3, 4, 6, 8, 9, 11], 6)
 	result == Ok(3)
 }
 
 # finds a value at the beginning of an array
 expect {
-	result = [1, 3, 4, 6, 8, 9, 11]->find(1)
+	result = find([1, 3, 4, 6, 8, 9, 11], 1)
 	result == Ok(0)
 }
 
 # finds a value at the end of an array
 expect {
-	result = [1, 3, 4, 6, 8, 9, 11]->find(11)
+	result = find([1, 3, 4, 6, 8, 9, 11], 11)
 	result == Ok(6)
 }
 
 # finds a value in an array of odd length
 expect {
-	result = [1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 634]->find(144)
+	result = find([1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 634], 144)
 	result == Ok(9)
 }
 
 # finds a value in an array of even length
 expect {
-	result = [1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377]->find(21)
+	result = find([1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377], 21)
 	result == Ok(5)
 }
 
 # identifies that a value is not included in the array
 expect {
-	result = [1, 3, 4, 6, 8, 9, 11]->find(7)
+	result = find([1, 3, 4, 6, 8, 9, 11], 7)
 	result.is_err()
 }
 
 # a value smaller than the array's smallest value is not found
 expect {
-	result = [1, 3, 4, 6, 8, 9, 11]->find(0)
+	result = find([1, 3, 4, 6, 8, 9, 11], 0)
 	result.is_err()
 }
 
 # a value larger than the array's largest value is not found
 expect {
-	result = [1, 3, 4, 6, 8, 9, 11]->find(13)
+	result = find([1, 3, 4, 6, 8, 9, 11], 13)
 	result.is_err()
 }
 
 # nothing is found in an empty array
 expect {
-	result = []->find(1)
+	result = find([], 1)
 	result.is_err()
 }
 
 # nothing is found when the left and right bounds cross
 expect {
-	result = [1, 2]->find(0)
+	result = find([1, 2], 0)
 	result.is_err()
 }