Fixed example codes

maiha · Ary Borenszweig · commit 832875707b24 · 2017-01-06T15:52:46.000+02:00
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)

Original file line number	Diff line number	Diff line change
`@@ -960,7 +960,7 @@ class Array(T)`
`960`	`960`	# ```
`961`	`961`	`# a = [1, 2, 3]`
`962`	`962`	`# sums = [] of Int32`
`963`		`- # a.each_permutation(2) { \|p\| sums << p.sum } # => [1, 2, 3]`
	`963`	`+ # a.each_permutation(2) { \|p\| sums << p.sum } # => nil`
`964`	`964`	`# sums # => [3, 4, 3, 5, 4, 5]`
`965`	`965`	# ```
`966`	`966`	`#`
Original file line number	Diff line number	Diff line change
`@@ -39,7 +39,7 @@ module HTML`
`39`	`39`	`# require "html"`
`40`	`40`	`#`
`41`	`41`	`# io = IO::Memory.new`
`42`		`- # HTML.escape("Crystal & You", io) # => "Crystal & You"`
	`42`	`+ # HTML.escape("Crystal & You", io) # => nil`
`43`	`43`	`# io.to_s # => "Crystal & You"`
`44`	`44`	# ```
`45`	`45`	`def self.escape(string : String, io : IO)`
Original file line number	Diff line number	Diff line change
`@@ -130,7 +130,7 @@ struct StaticArray(T, N)`
`130`	`130`	`#`
`131`	`131`	# ```
`132`	`132`	`# array = StaticArray(Int32, 3).new { \|i\| i + 1 }`
`133`		`- # array.[]= 2 # => 3`
	`133`	`+ # array.[]= 2 # => nil`
`134`	`134`	`# array # => StaticArray[2, 2, 2]`
`135`	`135`	# ```
`136`	`136`	`def []=(value : T)`