Fixed example codes

crystal-lang · Jan 6, 2017 · 8328757 · 8328757
1 parent 8ab3a34
commit 8328757
Show file tree

Hide file tree

Showing 4 changed files with 6 additions and 6 deletions.
diff --git a/src/array.cr b/src/array.cr
@@ -960,7 +960,7 @@ class Array(T)
   # ```
   # a = [1, 2, 3]
   # sums = [] of Int32
-  # a.each_permutation(2) { |p| sums << p.sum } # => [1, 2, 3]
+  # a.each_permutation(2) { |p| sums << p.sum } # => nil
   # sums                                        # => [3, 4, 3, 5, 4, 5]
   # ```
   #

diff --git a/src/big/big_int.cr b/src/big/big_int.cr
@@ -289,9 +289,9 @@ struct BigInt < Int
   # Returns a string containing the representation of big radix base (2 through 36).
   #
   # ```
-  # BigInt.new("123456789101101987654321").to_s(8)  # => 32111154373025463465765261
-  # BigInt.new("123456789101101987654321").to_s(16) # => 1a249b1f61599cd7eab1
-  # BigInt.new("123456789101101987654321").to_s(36) # => k3qmt029k48nmpd
+  # BigInt.new("123456789101101987654321").to_s(8)  # => "32111154373025463465765261"
+  # BigInt.new("123456789101101987654321").to_s(16) # => "1a249b1f61599cd7eab1"
+  # BigInt.new("123456789101101987654321").to_s(36) # => "k3qmt029k48nmpd"
   # ```
   def to_s(base : Int)
     raise "Invalid base #{base}" unless 2 <= base <= 36

diff --git a/src/html.cr b/src/html.cr
@@ -39,7 +39,7 @@ module HTML
   # require "html"
   #
   # io = IO::Memory.new
-  # HTML.escape("Crystal & You", io) # => "Crystal & You"
+  # HTML.escape("Crystal & You", io) # => nil
   # io.to_s                          # => "Crystal &amp; You"
   # ```
   def self.escape(string : String, io : IO)

diff --git a/src/static_array.cr b/src/static_array.cr
@@ -130,7 +130,7 @@ struct StaticArray(T, N)
   #
   # ```
   # array = StaticArray(Int32, 3).new { |i| i + 1 }
-  # array.[]= 2 # => 3
+  # array.[]= 2 # => nil
   # array       # => StaticArray[2, 2, 2]
   # ```
   def []=(value : T)