From 466d770f8f1f0ff45251cf4774ca80585727ecf4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johannes=20M=C3=BCller?= <straightshoota@gmail.com>
Date: Mon, 13 May 2024 14:59:09 +0200
Subject: [PATCH 1/2] Fix `Rang#size` return type to `Int32`

---
 src/range.cr | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/range.cr b/src/range.cr
index db1b3f32902a..81e0ddf0dd6f 100644
--- a/src/range.cr
+++ b/src/range.cr
@@ -482,7 +482,7 @@ struct Range(B, E)
   # (3..8).size  # => 6
   # (3...8).size # => 5
   # ```
-  def size
+  def size : Int32
     b = self.begin
     e = self.end
 
@@ -490,7 +490,7 @@ struct Range(B, E)
     if b.is_a?(Int) && e.is_a?(Int)
       e -= 1 if @exclusive
       n = e - b + 1
-      n < 0 ? 0 : n
+      n < 0 ? 0 : n.to_i32
     else
       if b.nil? || e.nil?
         raise ArgumentError.new("Can't calculate size of an open range")

From 13bfaf4ae06b06d6734b3b02651a8e93fea5f550 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johannes=20M=C3=BCller?= <straightshoota@gmail.com>
Date: Fri, 24 May 2024 22:47:43 +0200
Subject: [PATCH 2/2] Add documentation about error behaviour

---
 src/range.cr | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/range.cr b/src/range.cr
index 81e0ddf0dd6f..228926e8bfac 100644
--- a/src/range.cr
+++ b/src/range.cr
@@ -482,6 +482,9 @@ struct Range(B, E)
   # (3..8).size  # => 6
   # (3...8).size # => 5
   # ```
+  #
+  # Raises `OverflowError` if the difference is bigger than `Int32`.
+  # Raises `ArgumentError` if either `begin` or `end` are `nil`.
   def size : Int32
     b = self.begin
     e = self.end