From d499ff2daef947b0cf0b41a1ecb11d2ff1fdf8b1 Mon Sep 17 00:00:00 2001
From: Haf <haf@protonmail.ch>
Date: Sat, 28 Sep 2024 12:33:16 +0200
Subject: [PATCH] feat: support for indexmap

---
 README.md                      |  1 +
 fake/Cargo.toml                |  1 +
 fake/src/impls/indexmap/mod.rs | 22 ++++++++++++++++++++++
 fake/src/impls/mod.rs          |  2 ++
 4 files changed, 26 insertions(+)
 create mode 100644 fake/src/impls/indexmap/mod.rs

diff --git a/README.md b/README.md
index 5b21e6b..4794456 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,7 @@ Available features:
   - `zerocopy`
   - `glam`
   - `url`
+  - `indexmap`
 - `always-true-rng`: expose AlwaysTrueRng
 - `maybe-non-empty-collections`: allow to use AlwaysTrueRng to generate non-empty collections
 
diff --git a/fake/Cargo.toml b/fake/Cargo.toml
index 3236cbb..9e529af 100644
--- a/fake/Cargo.toml
+++ b/fake/Cargo.toml
@@ -39,6 +39,7 @@ glam = { version = "0.29.0", optional = true }
 url-escape = { version = "0.1", optional = true }
 bson = { version = "2.10", optional = true }
 url = { version = "2.5.2", optional = true }
+indexmap = { version = "2", optional = true}
 
 [dev-dependencies]
 chrono = { version = "0.4", features = ["clock"], default-features = false }
diff --git a/fake/src/impls/indexmap/mod.rs b/fake/src/impls/indexmap/mod.rs
new file mode 100644
index 0000000..849ef9c
--- /dev/null
+++ b/fake/src/impls/indexmap/mod.rs
@@ -0,0 +1,22 @@
+use crate::{Dummy, Fake, Faker};
+use indexmap::IndexMap;
+use rand::Rng;
+use std::hash::{BuildHasher, Hash};
+
+use super::std::collections::get_len;
+
+impl<K, V, S> Dummy<Faker> for IndexMap<K, V, S>
+where
+    K: Dummy<Faker> + Hash + Eq,
+    V: Dummy<Faker>,
+    S: BuildHasher + Default,
+{
+    fn dummy_with_rng<R: Rng + ?Sized>(config: &Faker, rng: &mut R) -> Self {
+        let len = get_len(config, rng);
+        let mut m = IndexMap::with_capacity_and_hasher(len, S::default());
+        for _ in 0..len {
+            m.insert(config.fake_with_rng(rng), config.fake_with_rng(rng));
+        }
+        m
+    }
+}
diff --git a/fake/src/impls/mod.rs b/fake/src/impls/mod.rs
index c1041d0..64fd258 100644
--- a/fake/src/impls/mod.rs
+++ b/fake/src/impls/mod.rs
@@ -18,6 +18,8 @@ pub mod geo;
 pub mod glam;
 #[cfg(feature = "http")]
 pub mod http;
+#[cfg(feature = "indexmap")]
+pub mod indexmap;
 #[cfg(feature = "semver")]
 pub mod semver;
 #[cfg(feature = "serde_json")]