ruby inject
[1, 2, 3].inject { |sum, number| sum + number} # 6
# 1 + 2 = 3
# 3 + 3 = 6
[1, 2, 3].inject(2) { |sum, number| sum + number} # 8
# 2 + 1 = 3
# 3 + 2 = 5
# 5 + 3 = 8ruby inject
[1, 2, 3].inject { |sum, number| sum + number} # 6
# 1 + 2 = 3
# 3 + 3 = 6
[1, 2, 3].inject(2) { |sum, number| sum + number} # 8
# 2 + 1 = 3
# 3 + 2 = 5
# 5 + 3 = 8What does inject in ruby do
[3, 6, 10, 13].inject(:+) => (((3 + 6) + 10) + 13) => 32What does inject in ruby do
[3, 6, 10].inject {|sum, number| sum + number} =>|3, 6| 3 + 6 => 9 =>|9, 10| 9 + 10 =>19Copyright © 2021 Codeinu
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