How to join strings in Elixir?

elixir
thiagofm picture thiagofm · Dec 29, 2013 · Viewed 71.9k times · Source

How do I join two strings in a list with a space, like:

["StringA", "StringB"]

becomes

"StringA StringB"

Answer

thiagofm picture thiagofm · Dec 29, 2013

If you just want to join some arbitrary list:

"StringA" <> " " <> "StringB"

or just use string interpolation:

 "#{a} #{b}"

If your list size is arbitrary:

Enum.join(["StringA", "StringB"], " ")

... all of the solutions above will return

"StringA StringB"

Related questions

How do you check for the type of variable in Elixir

In Elixir how do you check for type such as in Python: >>> a = "test" >>> type(a) <type 'str'> >>> b =10 >>> type(b) <type 'int'> I …

Read More
Convert Elixir string to integer or float

I need to convert a string to a floating point value or an integer. There was no method such as, string_to_integer

Read More
Add new element to list

I was trying to add a new element into a list as follow: iex(8)> l = [3,5,7,7,8] ++ 3 [3, 5, 7, 7, 8 | 3] iex(9)> l [3, 5, 7, 7, 8 | 3] Why did I get on the 5th position like 8 | 3 What it does mean? And how can I add new element to …

Read More