From 52ae390db39df1b4ff6936b001b21fa17aa07881 Mon Sep 17 00:00:00 2001
From: Basit Ayantunde <rlamarrr@gmail.com>
Date: Thu, 28 Nov 2024 01:38:22 +0000
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20added=20cast=20to=20resource=20type?=
 =?UTF-8?q?s=20and=20more=20QoL=20improvements?=
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---
 ashura/std/dyn.h   |  6 ++++++
 ashura/std/math.h  | 12 +++++++++++-
 ashura/std/range.h |  4 ++--
 ashura/std/time.h  |  2 ++
 4 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/ashura/std/dyn.h b/ashura/std/dyn.h
index b0a688606..4d6dc269f 100644
--- a/ashura/std/dyn.h
+++ b/ashura/std/dyn.h
@@ -122,4 +122,10 @@ Dyn<H> transmute(Dyn<Base> &&base, H handle)
   return t;
 }
 
+template <typename To, typename From>
+Dyn<To> cast(Dyn<From> &&from)
+{
+  return transmute((Dyn<From> &&) from, static_cast<To>(from.get()));
+}
+
 }        // namespace ash
diff --git a/ashura/std/math.h b/ashura/std/math.h
index c32b7b0bd..3c2704b25 100644
--- a/ashura/std/math.h
+++ b/ashura/std/math.h
@@ -515,6 +515,16 @@ constexpr Vec4U8 &operator/=(Vec4U8 &a, Vec4U8 b)
   return a;
 }
 
+constexpr Vec4U8 as_vec4u8(Vec4 a)
+{
+  return Vec4U8{(u8) a.x, (u8) a.y, (u8) a.z, (u8) a.w};
+}
+
+constexpr Vec4 as_vec4(Vec4U8 a)
+{
+  return Vec4{(f32) a.x, (f32) a.y, (f32) a.z, (f32) a.w};
+}
+
 struct alignas(8) Vec2I
 {
   i32 x = 0;
@@ -2293,7 +2303,7 @@ constexpr T catmull_rom(T const &p0, T const &p1, T const &p2, T const &p3,
 
 constexpr f32 step(f32 a, f32 t)
 {
-  return t < a ? 0.0f : 1.0f;
+  return (t < a) ? 0.0f : 1.0f;
 }
 
 constexpr f32 smoothstep(f32 a, f32 b, f32 t)
diff --git a/ashura/std/range.h b/ashura/std/range.h
index 9f751e8f1..6a393e88e 100644
--- a/ashura/std/range.h
+++ b/ashura/std/range.h
@@ -247,9 +247,9 @@ constexpr Init reduce(R &&range, Init &&init, Reduce &&reducer = {})
   return (Init &&) init;
 }
 
-template <InputRange R, typename Init, typename Map, typename Reduce>
+template <InputRange R, typename Init, typename Map, typename Reduce = Add>
 constexpr Init map_reduce(R &&range, Init &&init, Map &&mapper,
-                          Reduce &&reducer)
+                          Reduce &&reducer = {})
 {
   InputIterator auto it = begin(range);
   while (it != end(range))
diff --git a/ashura/std/time.h b/ashura/std/time.h
index 5234bca1a..f49c29d84 100644
--- a/ashura/std/time.h
+++ b/ashura/std/time.h
@@ -14,8 +14,10 @@ using std::chrono::months;
 using std::chrono::nanoseconds;
 using std::chrono::seconds;
 using std::chrono::steady_clock;
+using clock = steady_clock;
 using time_point = std::chrono::steady_clock::time_point;
 using std::chrono::years;
+using time_point = steady_clock::time_point;
 using namespace std::chrono_literals;
 
 using std::chrono::duration_cast;