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Adds more string operations to ruby doc

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Persa Zula 2015-10-17 11:25:05 -04:00
parent 3ea760a374
commit 1ae02fc6cf
1 changed files with 9 additions and 2 deletions
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@ -12,7 +12,8 @@ contributors:
- ["Dzianis Dashkevich", "https://github.com/dskecse"] - ["Dzianis Dashkevich", "https://github.com/dskecse"]
- ["Levi Bostian", "https://github.com/levibostian"] - ["Levi Bostian", "https://github.com/levibostian"]
- ["Rahil Momin", "https://github.com/iamrahil"] - ["Rahil Momin", "https://github.com/iamrahil"]
- ["Gabriel Halley", https://github.com/ghalley"] - ["Gabriel Halley", "https://github.com/ghalley"]
- ["Persa Zula", "http://persazula.com"]
--- ---
```ruby ```ruby
@ -107,6 +108,12 @@ placeholder = 'use string interpolation'
'hello ' + 3 #=> TypeError: can't convert Fixnum into String 'hello ' + 3 #=> TypeError: can't convert Fixnum into String
'hello ' + 3.to_s #=> "hello 3" 'hello ' + 3.to_s #=> "hello 3"
# Combine strings and operators
'hello ' * 3 #=> "hello hello hello"
# Append to string
'hello' << ' world' #=> "hello world"
# print to the output with a newline at the end # print to the output with a newline at the end
puts "I'm printing!" puts "I'm printing!"
#=> I'm printing! #=> I'm printing!
@ -284,7 +291,7 @@ end
#=> iteration 4 #=> iteration 4
#=> iteration 5 #=> iteration 5
# There are a bunch of other helpful looping functions in Ruby, # There are a bunch of other helpful looping functions in Ruby,
# for example "map", "reduce", "inject", the list goes on. Map, # for example "map", "reduce", "inject", the list goes on. Map,
# for instance, takes the array it's looping over, does something # for instance, takes the array it's looping over, does something
# to it as defined in your block, and returns an entirely new array. # to it as defined in your block, and returns an entirely new array.