Class: Array

Inherits:

Object

• Object
• Array

Defined in:

lib/everythingrb/core/array.rb

Instance Method Summary

• #join_map(join_with = "") {|Object| ... } ⇒ String

  Combines filter_map and join operations.

Instance Method Details

#join_map(join_with = "") {|Object| ... } ⇒ String

Combines filter_map and join operations

Examples:

[1, 2, nil, 3].join_map(" ") { |n| n&.to_s if n&.odd? }
# => "1 3"

[1, 2, nil, 3].join_map(", ")
# => "1, 2, 3"

Parameters:

• join_with (String) (defaults to: "") —

  The delimiter to join elements with (defaults to empty string)

Yields:

• (Object) —

  Block that filters and transforms array elements

Returns:

• (String) —

  Joined string of filtered and transformed elements

# File 'lib/everythingrb/core/array.rb', line 21

def join_map(join_with = "", &block)
  block = ->(i) { i } if block.nil?

  filter_map(&block).join(join_with)
end