From 097fb487754a0aa7b5f620165c2560c105617b36 Mon Sep 17 00:00:00 2001
From: Giacomo Cavalieri <giacomo.cavalieri@icloud.com>
Date: Sun, 22 Oct 2023 22:30:48 +0200
Subject: rename `map.filter` label from `for` to `keeping`

---
 CHANGELOG.md        | 1 +
 src/gleam/map.gleam | 5 ++++-
 src/gleam/set.gleam | 2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fb9314..0dcd70d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+- The `map.filter` label `for` was renamed to `keeping`.
 - The `iterator.filter` label `for` was renamed to `keeping`.
 - The `list.filter` label `for` was renamed to `keeping`.
 - Improved performance of `string.to_graphemes` on JavaScript.
diff --git a/src/gleam/map.gleam b/src/gleam/map.gleam
index 07d9234..8f6b78f 100644
--- a/src/gleam/map.gleam
+++ b/src/gleam/map.gleam
@@ -306,7 +306,10 @@ fn do_values(map: Map(k, v)) -> List(v) {
 /// from_list([#("a", 0), #("b", 1)])
 /// ```
 ///
-pub fn filter(in map: Map(k, v), for property: fn(k, v) -> Bool) -> Map(k, v) {
+pub fn filter(
+  in map: Map(k, v),
+  keeping property: fn(k, v) -> Bool,
+) -> Map(k, v) {
   do_filter(property, map)
 }
 
diff --git a/src/gleam/set.gleam b/src/gleam/set.gleam
index 9ca8e44..cc9ff9b 100644
--- a/src/gleam/set.gleam
+++ b/src/gleam/set.gleam
@@ -196,7 +196,7 @@ pub fn filter(
   in set: Set(member),
   for property: fn(member) -> Bool,
 ) -> Set(member) {
-  Set(map.filter(in: set.map, for: fn(m, _) { property(m) }))
+  Set(map.filter(in: set.map, keeping: fn(m, _) { property(m) }))
 }
 
 pub fn drop(from set: Set(member), drop disallowed: List(member)) -> Set(member) {
-- 
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