diff options
Diffstat (limited to 'ruby.html.markdown')
| -rw-r--r-- | ruby.html.markdown | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/ruby.html.markdown b/ruby.html.markdown index 4e9f8aee..782ffc4c 100644 --- a/ruby.html.markdown +++ b/ruby.html.markdown @@ -42,13 +42,18 @@ You shouldn't either 2**5 #=> 32 5 % 3 #=> 2 +# Bitwise operators +3 & 5 #=> 1 +3 | 5 #=> 7 +3 ^ 5 #=> 6 + # Arithmetic is just syntactic sugar # for calling a method on an object 1.+(3) #=> 4 10.* 5 #=> 50 # Special values are objects -nil # Nothing to see here +nil # equivalent to null in other languages true # truth false # falsehood @@ -76,6 +81,11 @@ false.class #=> FalseClass 2 <= 2 #=> true 2 >= 2 #=> true +# Combined comparison operator +1 <=> 10 #=> -1 +10 <=> 1 #=> 1 +1 <=> 1 #=> 0 + # Logical operators true && false #=> false true || false #=> true @@ -121,7 +131,7 @@ puts "I'm printing!" # print to the output without a newline print "I'm printing!" -#=> I'm printing! => nill +#=> I'm printing! => nil # Variables x = 25 #=> 25 |