fun with ruby strings

ruby_strings.txt

ruby-2.0.0-p247 $ pry
[1] pry(main)> "foo" "bar"
=> "foobar"

[2] pry(main)> a = "foo"; b = "bar";

[3] pry(main)> a b
NoMethodError: undefined method `a' for main:Object
from (pry):3:in `__pry__'

[4] pry(main)> a "bar"
NoMethodError: undefined method `a' for main:Object
from (pry):4:in `__pry__'

[5] pry(main)> "foo" b
SyntaxError: unexpected tIDENTIFIER, expecting end-of-input

[5] pry(main)> puts(a b)
NoMethodError: undefined method `a' for main:Object
from (pry):5:in `__pry__'

[6] pry(main)> puts(a "bar")
NoMethodError: undefined method `a' for main:Object
from (pry):6:in `__pry__'

[7] pry(main)> puts("foo" b)
SyntaxError: unexpected tIDENTIFIER, expecting ')'
puts("foo" b)
            ^

[7] pry(main)> puts("foo" "bar")
foobar